./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/test-easy10.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/test-easy10.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24421fae56d27ddfd314bb85e4431c40a1e6738a845aa97472d8668d2b4dde52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:39:51,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:39:51,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 05:39:51,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:39:51,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:39:51,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:39:51,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:39:51,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:39:51,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:39:51,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:39:51,780 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:39:51,780 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:39:51,781 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:39:51,781 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:39:51,782 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:39:51,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:39:51,783 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:39:51,787 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:39:51,787 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:39:51,788 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:39:51,788 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:39:51,793 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:39:51,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:39:51,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:39:51,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:39:51,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:39:51,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:39:51,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:39:51,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:39:51,797 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:39:51,800 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:39:51,801 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 05:39:51,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:39:51,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:39:51,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:39:51,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:39:51,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:39:51,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:39:51,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:39:51,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:39:51,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:39:51,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:51,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:39:51,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:39:51,804 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24421fae56d27ddfd314bb85e4431c40a1e6738a845aa97472d8668d2b4dde52 [2024-11-09 05:39:52,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:39:52,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:39:52,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:39:52,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:39:52,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:39:52,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/weaver/test-easy10.wvr.c Unable to find full path for "g++" [2024-11-09 05:39:54,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:39:54,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:39:54,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/sv-benchmarks/c/weaver/test-easy10.wvr.c [2024-11-09 05:39:54,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/data/918914711/82bf1f1b97b9405994456dfbfef85b0b/FLAG8056c07c6 [2024-11-09 05:39:54,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/data/918914711/82bf1f1b97b9405994456dfbfef85b0b [2024-11-09 05:39:54,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:39:54,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:39:54,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:54,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:39:54,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:39:54,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:54" (1/1) ... [2024-11-09 05:39:54,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f913ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:54, skipping insertion in model container [2024-11-09 05:39:54,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:54" (1/1) ... [2024-11-09 05:39:54,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:39:54,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:54,991 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:39:55,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:55,073 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:39:55,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55 WrapperNode [2024-11-09 05:39:55,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:55,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:55,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:39:55,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:39:55,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,144 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 149 [2024-11-09 05:39:55,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:55,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:39:55,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:39:55,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:39:55,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:39:55,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:39:55,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:39:55,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:39:55,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (1/1) ... [2024-11-09 05:39:55,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:55,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:39:55,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870687d-08ae-4404-9f97-914a4ec9d516/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:39:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:39:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 05:39:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 05:39:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 05:39:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 05:39:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 05:39:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 05:39:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 05:39:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 05:39:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:39:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:39:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:39:55,305 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:39:55,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:39:55,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:39:55,939 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:39:55,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:39:56,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:39:56,212 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:39:56,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:56 BoogieIcfgContainer [2024-11-09 05:39:56,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:39:56,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:39:56,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:39:56,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:39:56,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:39:54" (1/3) ... [2024-11-09 05:39:56,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c356a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:56, skipping insertion in model container [2024-11-09 05:39:56,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:55" (2/3) ... [2024-11-09 05:39:56,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c356a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:56, skipping insertion in model container [2024-11-09 05:39:56,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:56" (3/3) ... [2024-11-09 05:39:56,224 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2024-11-09 05:39:56,244 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:39:56,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:39:56,244 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:39:56,348 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 05:39:56,396 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 62 transitions, 152 flow [2024-11-09 05:39:57,457 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15594 states, 15592 states have (on average 3.9749230374551052) internal successors, (61977), 15593 states have internal predecessors, (61977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:57,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:39:57,516 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f5ced09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:39:57,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 05:39:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 15594 states, 15592 states have (on average 3.9749230374551052) internal successors, (61977), 15593 states have internal predecessors, (61977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:39:57,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:57,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:57,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:39:57,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:57,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1392136478, now seen corresponding path program 1 times [2024-11-09 05:39:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:57,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776696838] [2024-11-09 05:39:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:58,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776696838] [2024-11-09 05:39:58,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776696838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:58,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:58,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:39:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701710759] [2024-11-09 05:39:58,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:58,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:39:58,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:58,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:39:58,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:58,791 INFO L87 Difference]: Start difference. First operand has 15594 states, 15592 states have (on average 3.9749230374551052) internal successors, (61977), 15593 states have internal predecessors, (61977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:59,451 INFO L93 Difference]: Finished difference Result 19732 states and 77414 transitions. [2024-11-09 05:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:59,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:39:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:59,864 INFO L225 Difference]: With dead ends: 19732 [2024-11-09 05:39:59,868 INFO L226 Difference]: Without dead ends: 12348 [2024-11-09 05:39:59,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:59,899 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:59,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 50 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:39:59,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2024-11-09 05:40:00,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 12348. [2024-11-09 05:40:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12348 states, 12347 states have (on average 3.922491293431603) internal successors, (48431), 12347 states have internal predecessors, (48431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12348 states to 12348 states and 48431 transitions. [2024-11-09 05:40:00,787 INFO L78 Accepts]: Start accepts. Automaton has 12348 states and 48431 transitions. Word has length 55 [2024-11-09 05:40:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:00,788 INFO L471 AbstractCegarLoop]: Abstraction has 12348 states and 48431 transitions. [2024-11-09 05:40:00,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12348 states and 48431 transitions. [2024-11-09 05:40:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:00,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:00,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:00,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:40:00,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:00,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1078894518, now seen corresponding path program 2 times [2024-11-09 05:40:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624214062] [2024-11-09 05:40:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:01,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:01,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624214062] [2024-11-09 05:40:01,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624214062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:01,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:01,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:40:01,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752352118] [2024-11-09 05:40:01,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:01,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:40:01,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:01,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:40:01,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:01,276 INFO L87 Difference]: Start difference. First operand 12348 states and 48431 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:01,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:01,531 INFO L93 Difference]: Finished difference Result 15076 states and 58639 transitions. [2024-11-09 05:40:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:40:01,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:01,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:01,648 INFO L225 Difference]: With dead ends: 15076 [2024-11-09 05:40:01,648 INFO L226 Difference]: Without dead ends: 9648 [2024-11-09 05:40:01,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:01,671 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:01,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 50 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:40:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9648 states. [2024-11-09 05:40:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9648 to 9648. [2024-11-09 05:40:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9648 states, 9647 states have (on average 3.8717736083756606) internal successors, (37351), 9647 states have internal predecessors, (37351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9648 states to 9648 states and 37351 transitions. [2024-11-09 05:40:02,332 INFO L78 Accepts]: Start accepts. Automaton has 9648 states and 37351 transitions. Word has length 55 [2024-11-09 05:40:02,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:02,333 INFO L471 AbstractCegarLoop]: Abstraction has 9648 states and 37351 transitions. [2024-11-09 05:40:02,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 9648 states and 37351 transitions. [2024-11-09 05:40:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:02,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:02,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:02,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:40:02,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:02,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:02,407 INFO L85 PathProgramCache]: Analyzing trace with hash -288340938, now seen corresponding path program 3 times [2024-11-09 05:40:02,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:02,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72350452] [2024-11-09 05:40:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:05,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:05,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72350452] [2024-11-09 05:40:05,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72350452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:05,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:05,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544093921] [2024-11-09 05:40:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:05,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:05,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:05,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:05,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:05,761 INFO L87 Difference]: Start difference. First operand 9648 states and 37351 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:08,679 INFO L93 Difference]: Finished difference Result 17975 states and 66979 transitions. [2024-11-09 05:40:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:08,680 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:08,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:08,796 INFO L225 Difference]: With dead ends: 17975 [2024-11-09 05:40:08,797 INFO L226 Difference]: Without dead ends: 17862 [2024-11-09 05:40:08,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:08,809 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 305 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:08,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 587 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:40:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17862 states. [2024-11-09 05:40:09,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17862 to 10108. [2024-11-09 05:40:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10108 states, 10107 states have (on average 3.8534678935391313) internal successors, (38947), 10107 states have internal predecessors, (38947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 38947 transitions. [2024-11-09 05:40:09,545 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 38947 transitions. Word has length 55 [2024-11-09 05:40:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:09,549 INFO L471 AbstractCegarLoop]: Abstraction has 10108 states and 38947 transitions. [2024-11-09 05:40:09,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 38947 transitions. [2024-11-09 05:40:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:09,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:09,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:09,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:40:09,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:09,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:09,618 INFO L85 PathProgramCache]: Analyzing trace with hash 645633078, now seen corresponding path program 4 times [2024-11-09 05:40:09,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:09,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208468023] [2024-11-09 05:40:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:09,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:12,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:12,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208468023] [2024-11-09 05:40:12,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208468023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:12,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:12,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:12,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375071171] [2024-11-09 05:40:12,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:12,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:12,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:12,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:12,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:12,565 INFO L87 Difference]: Start difference. First operand 10108 states and 38947 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:15,691 INFO L93 Difference]: Finished difference Result 18004 states and 67013 transitions. [2024-11-09 05:40:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:15,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:15,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:15,866 INFO L225 Difference]: With dead ends: 18004 [2024-11-09 05:40:15,866 INFO L226 Difference]: Without dead ends: 17939 [2024-11-09 05:40:15,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:15,879 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 310 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:15,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 637 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:40:15,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17939 states. [2024-11-09 05:40:16,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17939 to 10116. [2024-11-09 05:40:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 10115 states have (on average 3.8523974295600594) internal successors, (38967), 10115 states have internal predecessors, (38967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 38967 transitions. [2024-11-09 05:40:16,654 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 38967 transitions. Word has length 55 [2024-11-09 05:40:16,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:16,656 INFO L471 AbstractCegarLoop]: Abstraction has 10116 states and 38967 transitions. [2024-11-09 05:40:16,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 38967 transitions. [2024-11-09 05:40:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:16,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:16,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:16,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:40:16,711 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:16,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:16,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1764347884, now seen corresponding path program 5 times [2024-11-09 05:40:16,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:16,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065454243] [2024-11-09 05:40:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:16,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:19,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:19,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065454243] [2024-11-09 05:40:19,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065454243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:19,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:19,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:19,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472940696] [2024-11-09 05:40:19,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:19,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:19,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:19,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:19,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:19,327 INFO L87 Difference]: Start difference. First operand 10116 states and 38967 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:21,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:21,893 INFO L93 Difference]: Finished difference Result 17939 states and 66843 transitions. [2024-11-09 05:40:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:21,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:21,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:22,011 INFO L225 Difference]: With dead ends: 17939 [2024-11-09 05:40:22,011 INFO L226 Difference]: Without dead ends: 17838 [2024-11-09 05:40:22,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:22,023 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 288 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:22,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 556 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:40:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17838 states. [2024-11-09 05:40:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17838 to 10084. [2024-11-09 05:40:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.8543092333630864) internal successors, (38863), 10083 states have internal predecessors, (38863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38863 transitions. [2024-11-09 05:40:22,718 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38863 transitions. Word has length 55 [2024-11-09 05:40:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:22,719 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38863 transitions. [2024-11-09 05:40:22,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38863 transitions. [2024-11-09 05:40:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:22,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:22,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:22,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:40:22,758 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:22,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:22,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1924633876, now seen corresponding path program 6 times [2024-11-09 05:40:22,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:22,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989193532] [2024-11-09 05:40:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:25,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:25,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989193532] [2024-11-09 05:40:25,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989193532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:25,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:25,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:25,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983947533] [2024-11-09 05:40:25,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:25,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:25,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:25,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:25,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:25,587 INFO L87 Difference]: Start difference. First operand 10084 states and 38863 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:28,514 INFO L93 Difference]: Finished difference Result 17991 states and 66991 transitions. [2024-11-09 05:40:28,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:40:28,515 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:28,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:28,632 INFO L225 Difference]: With dead ends: 17991 [2024-11-09 05:40:28,632 INFO L226 Difference]: Without dead ends: 17926 [2024-11-09 05:40:28,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=216, Invalid=434, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:40:28,641 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 293 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:28,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 611 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:40:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2024-11-09 05:40:29,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 10108. [2024-11-09 05:40:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10108 states, 10107 states have (on average 3.85267636291679) internal successors, (38939), 10107 states have internal predecessors, (38939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 38939 transitions. [2024-11-09 05:40:29,163 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 38939 transitions. Word has length 55 [2024-11-09 05:40:29,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:29,164 INFO L471 AbstractCegarLoop]: Abstraction has 10108 states and 38939 transitions. [2024-11-09 05:40:29,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 38939 transitions. [2024-11-09 05:40:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:29,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:29,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:29,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:40:29,199 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:29,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -485347086, now seen corresponding path program 7 times [2024-11-09 05:40:29,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:29,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230838464] [2024-11-09 05:40:29,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:31,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:31,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230838464] [2024-11-09 05:40:31,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230838464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:31,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:31,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706685268] [2024-11-09 05:40:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:31,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:31,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:31,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:31,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:31,623 INFO L87 Difference]: Start difference. First operand 10108 states and 38939 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:33,966 INFO L93 Difference]: Finished difference Result 17995 states and 66995 transitions. [2024-11-09 05:40:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:40:33,967 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:34,078 INFO L225 Difference]: With dead ends: 17995 [2024-11-09 05:40:34,078 INFO L226 Difference]: Without dead ends: 17918 [2024-11-09 05:40:34,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=198, Invalid=402, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:40:34,089 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 312 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:34,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 510 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:40:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17918 states. [2024-11-09 05:40:34,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17918 to 10100. [2024-11-09 05:40:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.8529557381919) internal successors, (38911), 10099 states have internal predecessors, (38911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38911 transitions. [2024-11-09 05:40:34,613 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38911 transitions. Word has length 55 [2024-11-09 05:40:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:34,615 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38911 transitions. [2024-11-09 05:40:34,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38911 transitions. [2024-11-09 05:40:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:34,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:34,647 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:34,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:40:34,647 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:34,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:34,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2127783300, now seen corresponding path program 8 times [2024-11-09 05:40:34,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:34,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866858000] [2024-11-09 05:40:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:36,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:36,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866858000] [2024-11-09 05:40:36,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866858000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:36,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:36,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:36,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990919504] [2024-11-09 05:40:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:36,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:36,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:36,421 INFO L87 Difference]: Start difference. First operand 10100 states and 38911 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:38,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:38,406 INFO L93 Difference]: Finished difference Result 17918 states and 66793 transitions. [2024-11-09 05:40:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:40:38,407 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:38,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:38,506 INFO L225 Difference]: With dead ends: 17918 [2024-11-09 05:40:38,507 INFO L226 Difference]: Without dead ends: 17681 [2024-11-09 05:40:38,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=400, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:40:38,516 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 283 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:38,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 530 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:40:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17681 states. [2024-11-09 05:40:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17681 to 9972. [2024-11-09 05:40:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9972 states, 9971 states have (on average 3.861498345201083) internal successors, (38503), 9971 states have internal predecessors, (38503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9972 states to 9972 states and 38503 transitions. [2024-11-09 05:40:39,013 INFO L78 Accepts]: Start accepts. Automaton has 9972 states and 38503 transitions. Word has length 55 [2024-11-09 05:40:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:39,013 INFO L471 AbstractCegarLoop]: Abstraction has 9972 states and 38503 transitions. [2024-11-09 05:40:39,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 9972 states and 38503 transitions. [2024-11-09 05:40:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:39,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:39,046 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:39,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:40:39,047 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:39,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1591984362, now seen corresponding path program 9 times [2024-11-09 05:40:39,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:39,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773727426] [2024-11-09 05:40:39,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:39,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:41,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:41,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773727426] [2024-11-09 05:40:41,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773727426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:41,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:41,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:41,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108110071] [2024-11-09 05:40:41,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:41,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:41,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:41,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:41,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:41,252 INFO L87 Difference]: Start difference. First operand 9972 states and 38503 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:43,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:43,708 INFO L93 Difference]: Finished difference Result 18178 states and 67620 transitions. [2024-11-09 05:40:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:43,709 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:43,789 INFO L225 Difference]: With dead ends: 18178 [2024-11-09 05:40:43,789 INFO L226 Difference]: Without dead ends: 18107 [2024-11-09 05:40:43,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:43,798 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 314 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:43,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 641 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:40:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18107 states. [2024-11-09 05:40:44,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18107 to 10048. [2024-11-09 05:40:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.8597591320792275) internal successors, (38779), 10047 states have internal predecessors, (38779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38779 transitions. [2024-11-09 05:40:44,486 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38779 transitions. Word has length 55 [2024-11-09 05:40:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:44,487 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38779 transitions. [2024-11-09 05:40:44,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38779 transitions. [2024-11-09 05:40:44,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:44,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:44,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:44,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:40:44,522 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:44,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:44,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1586732810, now seen corresponding path program 10 times [2024-11-09 05:40:44,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:44,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900649450] [2024-11-09 05:40:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:47,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:47,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900649450] [2024-11-09 05:40:47,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900649450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:47,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:47,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927413611] [2024-11-09 05:40:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:47,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:47,042 INFO L87 Difference]: Start difference. First operand 10048 states and 38779 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:49,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:49,791 INFO L93 Difference]: Finished difference Result 18172 states and 67595 transitions. [2024-11-09 05:40:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:49,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:49,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:49,892 INFO L225 Difference]: With dead ends: 18172 [2024-11-09 05:40:49,893 INFO L226 Difference]: Without dead ends: 18099 [2024-11-09 05:40:49,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:49,902 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 305 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:49,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 650 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:40:49,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2024-11-09 05:40:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 10040. [2024-11-09 05:40:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.860045821296942) internal successors, (38751), 10039 states have internal predecessors, (38751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38751 transitions. [2024-11-09 05:40:50,564 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38751 transitions. Word has length 55 [2024-11-09 05:40:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:50,564 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38751 transitions. [2024-11-09 05:40:50,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38751 transitions. [2024-11-09 05:40:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:50,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:50,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:50,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:40:50,598 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:50,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1270594744, now seen corresponding path program 11 times [2024-11-09 05:40:50,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:50,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475460410] [2024-11-09 05:40:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:50,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:52,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:52,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475460410] [2024-11-09 05:40:52,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475460410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:52,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:52,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:52,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093177334] [2024-11-09 05:40:52,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:52,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:52,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:52,588 INFO L87 Difference]: Start difference. First operand 10040 states and 38751 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:54,638 INFO L93 Difference]: Finished difference Result 18212 states and 67711 transitions. [2024-11-09 05:40:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:54,639 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:54,716 INFO L225 Difference]: With dead ends: 18212 [2024-11-09 05:40:54,716 INFO L226 Difference]: Without dead ends: 18075 [2024-11-09 05:40:54,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:54,724 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 312 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:54,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 610 Invalid, 1565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:40:54,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18075 states. [2024-11-09 05:40:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18075 to 10016. [2024-11-09 05:40:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 10015 states have (on average 3.860509236145781) internal successors, (38663), 10015 states have internal predecessors, (38663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 38663 transitions. [2024-11-09 05:40:55,339 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 38663 transitions. Word has length 55 [2024-11-09 05:40:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:55,340 INFO L471 AbstractCegarLoop]: Abstraction has 10016 states and 38663 transitions. [2024-11-09 05:40:55,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 38663 transitions. [2024-11-09 05:40:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:40:55,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:55,363 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:55,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:40:55,364 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:40:55,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1691119850, now seen corresponding path program 12 times [2024-11-09 05:40:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:55,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874482691] [2024-11-09 05:40:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:40:57,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874482691] [2024-11-09 05:40:57,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874482691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:57,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:57,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:40:57,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376885088] [2024-11-09 05:40:57,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:57,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:40:57,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:57,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:40:57,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:40:57,471 INFO L87 Difference]: Start difference. First operand 10016 states and 38663 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:40:59,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:59,657 INFO L93 Difference]: Finished difference Result 18332 states and 68004 transitions. [2024-11-09 05:40:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:40:59,658 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:40:59,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:59,738 INFO L225 Difference]: With dead ends: 18332 [2024-11-09 05:40:59,738 INFO L226 Difference]: Without dead ends: 18261 [2024-11-09 05:40:59,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:40:59,746 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 411 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:59,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 574 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:40:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18261 states. [2024-11-09 05:41:00,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18261 to 10028. [2024-11-09 05:41:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 10027 states have (on average 3.859479405604867) internal successors, (38699), 10027 states have internal predecessors, (38699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 38699 transitions. [2024-11-09 05:41:00,317 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 38699 transitions. Word has length 55 [2024-11-09 05:41:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:00,317 INFO L471 AbstractCegarLoop]: Abstraction has 10028 states and 38699 transitions. [2024-11-09 05:41:00,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 38699 transitions. [2024-11-09 05:41:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:00,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:00,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:00,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:41:00,343 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:00,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1685868298, now seen corresponding path program 13 times [2024-11-09 05:41:00,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:00,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527832840] [2024-11-09 05:41:00,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:00,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:02,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:02,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527832840] [2024-11-09 05:41:02,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527832840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:02,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535962560] [2024-11-09 05:41:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:02,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:02,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:02,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:02,459 INFO L87 Difference]: Start difference. First operand 10028 states and 38699 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:04,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:04,918 INFO L93 Difference]: Finished difference Result 18326 states and 67979 transitions. [2024-11-09 05:41:04,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:04,919 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:04,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:05,017 INFO L225 Difference]: With dead ends: 18326 [2024-11-09 05:41:05,017 INFO L226 Difference]: Without dead ends: 18253 [2024-11-09 05:41:05,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:05,024 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 389 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:05,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 595 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:41:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18253 states. [2024-11-09 05:41:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18253 to 10020. [2024-11-09 05:41:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10020 states, 10019 states have (on average 3.8601656851981234) internal successors, (38675), 10019 states have internal predecessors, (38675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10020 states to 10020 states and 38675 transitions. [2024-11-09 05:41:05,556 INFO L78 Accepts]: Start accepts. Automaton has 10020 states and 38675 transitions. Word has length 55 [2024-11-09 05:41:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:05,557 INFO L471 AbstractCegarLoop]: Abstraction has 10020 states and 38675 transitions. [2024-11-09 05:41:05,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10020 states and 38675 transitions. [2024-11-09 05:41:05,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:05,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:05,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:05,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:41:05,589 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:05,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1599515508, now seen corresponding path program 14 times [2024-11-09 05:41:05,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:05,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962778264] [2024-11-09 05:41:05,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:05,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:07,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:07,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962778264] [2024-11-09 05:41:07,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962778264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:07,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:07,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:07,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540763097] [2024-11-09 05:41:07,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:07,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:07,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:07,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:07,895 INFO L87 Difference]: Start difference. First operand 10020 states and 38675 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:09,878 INFO L93 Difference]: Finished difference Result 18237 states and 67745 transitions. [2024-11-09 05:41:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:09,879 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:09,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:09,955 INFO L225 Difference]: With dead ends: 18237 [2024-11-09 05:41:09,955 INFO L226 Difference]: Without dead ends: 18166 [2024-11-09 05:41:09,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:09,963 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 341 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:09,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 532 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:41:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18166 states. [2024-11-09 05:41:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18166 to 10030. [2024-11-09 05:41:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10030 states, 10029 states have (on average 3.8588094525874963) internal successors, (38700), 10029 states have internal predecessors, (38700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 38700 transitions. [2024-11-09 05:41:10,443 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 38700 transitions. Word has length 55 [2024-11-09 05:41:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:10,443 INFO L471 AbstractCegarLoop]: Abstraction has 10030 states and 38700 transitions. [2024-11-09 05:41:10,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 38700 transitions. [2024-11-09 05:41:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:10,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:10,464 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:10,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:41:10,465 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:10,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash 72599382, now seen corresponding path program 15 times [2024-11-09 05:41:10,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:10,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306450217] [2024-11-09 05:41:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:12,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:12,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306450217] [2024-11-09 05:41:12,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306450217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:12,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:12,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:12,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412524782] [2024-11-09 05:41:12,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:12,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:12,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:12,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:12,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:12,397 INFO L87 Difference]: Start difference. First operand 10030 states and 38700 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:14,353 INFO L93 Difference]: Finished difference Result 18186 states and 67616 transitions. [2024-11-09 05:41:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:14,354 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:14,432 INFO L225 Difference]: With dead ends: 18186 [2024-11-09 05:41:14,433 INFO L226 Difference]: Without dead ends: 18107 [2024-11-09 05:41:14,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:14,440 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 308 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:14,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 631 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:41:14,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18107 states. [2024-11-09 05:41:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18107 to 10020. [2024-11-09 05:41:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10020 states, 10019 states have (on average 3.859766443756862) internal successors, (38671), 10019 states have internal predecessors, (38671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10020 states to 10020 states and 38671 transitions. [2024-11-09 05:41:14,899 INFO L78 Accepts]: Start accepts. Automaton has 10020 states and 38671 transitions. Word has length 55 [2024-11-09 05:41:14,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:14,899 INFO L471 AbstractCegarLoop]: Abstraction has 10020 states and 38671 transitions. [2024-11-09 05:41:14,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 10020 states and 38671 transitions. [2024-11-09 05:41:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:14,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:14,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:14,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:41:14,921 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:14,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1775627948, now seen corresponding path program 16 times [2024-11-09 05:41:14,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:14,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379032215] [2024-11-09 05:41:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:14,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:16,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:16,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379032215] [2024-11-09 05:41:16,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379032215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:16,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:16,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:16,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136496239] [2024-11-09 05:41:16,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:16,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:16,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:16,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:16,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:16,890 INFO L87 Difference]: Start difference. First operand 10020 states and 38671 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:18,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:18,888 INFO L93 Difference]: Finished difference Result 18249 states and 67777 transitions. [2024-11-09 05:41:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:18,888 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:18,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:18,958 INFO L225 Difference]: With dead ends: 18249 [2024-11-09 05:41:18,958 INFO L226 Difference]: Without dead ends: 18184 [2024-11-09 05:41:18,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:18,965 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 349 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:18,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 588 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:41:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18184 states. [2024-11-09 05:41:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18184 to 10028. [2024-11-09 05:41:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 10027 states have (on average 3.858681559788571) internal successors, (38691), 10027 states have internal predecessors, (38691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 38691 transitions. [2024-11-09 05:41:19,296 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 38691 transitions. Word has length 55 [2024-11-09 05:41:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:19,297 INFO L471 AbstractCegarLoop]: Abstraction has 10028 states and 38691 transitions. [2024-11-09 05:41:19,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 38691 transitions. [2024-11-09 05:41:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:19,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:19,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:19,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:41:19,316 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:19,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash 824373558, now seen corresponding path program 17 times [2024-11-09 05:41:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:19,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635552871] [2024-11-09 05:41:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:19,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:20,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:20,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635552871] [2024-11-09 05:41:20,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635552871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:20,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:20,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:20,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624207481] [2024-11-09 05:41:20,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:20,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:20,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:20,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:20,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:20,982 INFO L87 Difference]: Start difference. First operand 10028 states and 38691 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:23,013 INFO L93 Difference]: Finished difference Result 18184 states and 67607 transitions. [2024-11-09 05:41:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:23,014 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:23,105 INFO L225 Difference]: With dead ends: 18184 [2024-11-09 05:41:23,105 INFO L226 Difference]: Without dead ends: 18103 [2024-11-09 05:41:23,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:23,112 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 312 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:23,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 633 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:41:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18103 states. [2024-11-09 05:41:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18103 to 10016. [2024-11-09 05:41:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 10015 states have (on average 3.8601098352471293) internal successors, (38659), 10015 states have internal predecessors, (38659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 38659 transitions. [2024-11-09 05:41:23,534 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 38659 transitions. Word has length 55 [2024-11-09 05:41:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:23,535 INFO L471 AbstractCegarLoop]: Abstraction has 10016 states and 38659 transitions. [2024-11-09 05:41:23,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 38659 transitions. [2024-11-09 05:41:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:23,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:23,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:23,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:41:23,562 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:23,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:23,562 INFO L85 PathProgramCache]: Analyzing trace with hash 961977464, now seen corresponding path program 18 times [2024-11-09 05:41:23,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:23,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825376933] [2024-11-09 05:41:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:25,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:25,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825376933] [2024-11-09 05:41:25,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825376933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:25,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:25,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:25,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642547348] [2024-11-09 05:41:25,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:25,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:25,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:25,624 INFO L87 Difference]: Start difference. First operand 10016 states and 38659 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:27,886 INFO L93 Difference]: Finished difference Result 18305 states and 67953 transitions. [2024-11-09 05:41:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:27,887 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:27,965 INFO L225 Difference]: With dead ends: 18305 [2024-11-09 05:41:27,965 INFO L226 Difference]: Without dead ends: 18192 [2024-11-09 05:41:27,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:27,973 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 372 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:27,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 577 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:41:28,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18192 states. [2024-11-09 05:41:28,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18192 to 10040. [2024-11-09 05:41:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.856858252814025) internal successors, (38719), 10039 states have internal predecessors, (38719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38719 transitions. [2024-11-09 05:41:28,327 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38719 transitions. Word has length 55 [2024-11-09 05:41:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:28,328 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38719 transitions. [2024-11-09 05:41:28,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38719 transitions. [2024-11-09 05:41:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:28,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:28,352 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:28,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:41:28,353 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:28,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:28,353 INFO L85 PathProgramCache]: Analyzing trace with hash -367950698, now seen corresponding path program 19 times [2024-11-09 05:41:28,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:28,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419964822] [2024-11-09 05:41:28,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:28,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:30,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:30,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419964822] [2024-11-09 05:41:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419964822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:30,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:30,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:30,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792076479] [2024-11-09 05:41:30,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:30,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:30,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:30,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:30,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:30,277 INFO L87 Difference]: Start difference. First operand 10040 states and 38719 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:32,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:32,414 INFO L93 Difference]: Finished difference Result 18269 states and 67825 transitions. [2024-11-09 05:41:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:32,415 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:32,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:32,490 INFO L225 Difference]: With dead ends: 18269 [2024-11-09 05:41:32,490 INFO L226 Difference]: Without dead ends: 18204 [2024-11-09 05:41:32,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:32,499 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 350 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:32,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 579 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:41:32,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18204 states. [2024-11-09 05:41:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18204 to 10048. [2024-11-09 05:41:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.855777844132577) internal successors, (38739), 10047 states have internal predecessors, (38739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38739 transitions. [2024-11-09 05:41:33,024 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38739 transitions. Word has length 55 [2024-11-09 05:41:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:33,024 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38739 transitions. [2024-11-09 05:41:33,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38739 transitions. [2024-11-09 05:41:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:33,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:33,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:33,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:41:33,046 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:33,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2062916488, now seen corresponding path program 20 times [2024-11-09 05:41:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:33,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737986473] [2024-11-09 05:41:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:34,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:34,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737986473] [2024-11-09 05:41:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737986473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:34,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:34,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:34,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773730966] [2024-11-09 05:41:34,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:34,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:34,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:34,711 INFO L87 Difference]: Start difference. First operand 10048 states and 38739 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:36,720 INFO L93 Difference]: Finished difference Result 18204 states and 67655 transitions. [2024-11-09 05:41:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:41:36,721 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:36,799 INFO L225 Difference]: With dead ends: 18204 [2024-11-09 05:41:36,799 INFO L226 Difference]: Without dead ends: 18091 [2024-11-09 05:41:36,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:41:36,807 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 335 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:36,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 580 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:41:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18091 states. [2024-11-09 05:41:37,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18091 to 10004. [2024-11-09 05:41:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10004 states, 10003 states have (on average 3.8603418974307706) internal successors, (38615), 10003 states have internal predecessors, (38615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10004 states to 10004 states and 38615 transitions. [2024-11-09 05:41:37,161 INFO L78 Accepts]: Start accepts. Automaton has 10004 states and 38615 transitions. Word has length 55 [2024-11-09 05:41:37,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:37,162 INFO L471 AbstractCegarLoop]: Abstraction has 10004 states and 38615 transitions. [2024-11-09 05:41:37,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10004 states and 38615 transitions. [2024-11-09 05:41:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:37,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:37,185 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:37,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:41:37,185 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:37,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:37,186 INFO L85 PathProgramCache]: Analyzing trace with hash -931999628, now seen corresponding path program 21 times [2024-11-09 05:41:37,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:37,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963091785] [2024-11-09 05:41:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:37,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:38,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963091785] [2024-11-09 05:41:38,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963091785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:38,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:38,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:38,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964144798] [2024-11-09 05:41:38,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:38,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:38,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:38,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:38,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:38,903 INFO L87 Difference]: Start difference. First operand 10004 states and 38615 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:41,180 INFO L93 Difference]: Finished difference Result 18367 states and 68144 transitions. [2024-11-09 05:41:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:41:41,181 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:41,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:41,251 INFO L225 Difference]: With dead ends: 18367 [2024-11-09 05:41:41,252 INFO L226 Difference]: Without dead ends: 18296 [2024-11-09 05:41:41,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:41:41,259 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 407 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:41,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 510 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:41:41,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18296 states. [2024-11-09 05:41:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18296 to 10024. [2024-11-09 05:41:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.8594233263493964) internal successors, (38683), 10023 states have internal predecessors, (38683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38683 transitions. [2024-11-09 05:41:41,579 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38683 transitions. Word has length 55 [2024-11-09 05:41:41,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:41,579 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38683 transitions. [2024-11-09 05:41:41,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:41,580 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38683 transitions. [2024-11-09 05:41:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:41,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:41,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:41,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:41:41,603 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:41,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:41,603 INFO L85 PathProgramCache]: Analyzing trace with hash -926748076, now seen corresponding path program 22 times [2024-11-09 05:41:41,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:41,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960353586] [2024-11-09 05:41:41,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:41,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:43,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:43,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960353586] [2024-11-09 05:41:43,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960353586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:43,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:43,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:43,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570392060] [2024-11-09 05:41:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:43,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:43,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:43,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:43,272 INFO L87 Difference]: Start difference. First operand 10024 states and 38683 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:45,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:45,553 INFO L93 Difference]: Finished difference Result 18409 states and 68263 transitions. [2024-11-09 05:41:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:41:45,553 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:45,630 INFO L225 Difference]: With dead ends: 18409 [2024-11-09 05:41:45,630 INFO L226 Difference]: Without dead ends: 18336 [2024-11-09 05:41:45,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:41:45,639 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 362 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:45,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 570 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:41:45,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18336 states. [2024-11-09 05:41:45,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18336 to 10016. [2024-11-09 05:41:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 10015 states have (on average 3.8601098352471293) internal successors, (38659), 10015 states have internal predecessors, (38659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 38659 transitions. [2024-11-09 05:41:45,993 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 38659 transitions. Word has length 55 [2024-11-09 05:41:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:45,993 INFO L471 AbstractCegarLoop]: Abstraction has 10016 states and 38659 transitions. [2024-11-09 05:41:45,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 38659 transitions. [2024-11-09 05:41:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:46,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:46,015 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:46,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:41:46,016 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:46,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:46,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1936331566, now seen corresponding path program 23 times [2024-11-09 05:41:46,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:46,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354982753] [2024-11-09 05:41:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:47,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:47,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354982753] [2024-11-09 05:41:47,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354982753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:47,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:47,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:47,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842701193] [2024-11-09 05:41:47,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:47,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:47,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:47,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:47,364 INFO L87 Difference]: Start difference. First operand 10016 states and 38659 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:49,300 INFO L93 Difference]: Finished difference Result 18438 states and 68321 transitions. [2024-11-09 05:41:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:41:49,301 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:49,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:49,382 INFO L225 Difference]: With dead ends: 18438 [2024-11-09 05:41:49,382 INFO L226 Difference]: Without dead ends: 18367 [2024-11-09 05:41:49,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:41:49,390 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 469 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:49,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 480 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:41:49,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18367 states. [2024-11-09 05:41:49,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18367 to 10026. [2024-11-09 05:41:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10026 states, 10025 states have (on average 3.8587531172069824) internal successors, (38684), 10025 states have internal predecessors, (38684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 38684 transitions. [2024-11-09 05:41:49,735 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 38684 transitions. Word has length 55 [2024-11-09 05:41:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:49,735 INFO L471 AbstractCegarLoop]: Abstraction has 10026 states and 38684 transitions. [2024-11-09 05:41:49,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 38684 transitions. [2024-11-09 05:41:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:49,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:49,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:49,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:41:49,759 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:49,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:49,759 INFO L85 PathProgramCache]: Analyzing trace with hash 831719604, now seen corresponding path program 24 times [2024-11-09 05:41:49,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:49,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313280963] [2024-11-09 05:41:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:51,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:51,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313280963] [2024-11-09 05:41:51,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313280963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:51,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:51,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668637789] [2024-11-09 05:41:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:51,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:51,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:51,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:51,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:51,102 INFO L87 Difference]: Start difference. First operand 10026 states and 38684 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:53,292 INFO L93 Difference]: Finished difference Result 18387 states and 68192 transitions. [2024-11-09 05:41:53,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:41:53,292 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:53,433 INFO L225 Difference]: With dead ends: 18387 [2024-11-09 05:41:53,434 INFO L226 Difference]: Without dead ends: 18308 [2024-11-09 05:41:53,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:41:53,446 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 368 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:53,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 586 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:41:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18308 states. [2024-11-09 05:41:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18308 to 10016. [2024-11-09 05:41:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 10015 states have (on average 3.8597104343484774) internal successors, (38655), 10015 states have internal predecessors, (38655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 38655 transitions. [2024-11-09 05:41:54,018 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 38655 transitions. Word has length 55 [2024-11-09 05:41:54,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:54,018 INFO L471 AbstractCegarLoop]: Abstraction has 10016 states and 38655 transitions. [2024-11-09 05:41:54,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 38655 transitions. [2024-11-09 05:41:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:54,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:54,050 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:54,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 05:41:54,050 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:54,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1016507726, now seen corresponding path program 25 times [2024-11-09 05:41:54,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:54,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225783543] [2024-11-09 05:41:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:55,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:55,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225783543] [2024-11-09 05:41:55,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225783543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:55,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:55,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:55,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310664674] [2024-11-09 05:41:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:55,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:55,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:55,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:55,957 INFO L87 Difference]: Start difference. First operand 10016 states and 38655 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:58,227 INFO L93 Difference]: Finished difference Result 18430 states and 68293 transitions. [2024-11-09 05:41:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:41:58,228 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:41:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:58,302 INFO L225 Difference]: With dead ends: 18430 [2024-11-09 05:41:58,302 INFO L226 Difference]: Without dead ends: 18365 [2024-11-09 05:41:58,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:41:58,310 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 365 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:58,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 611 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:41:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18365 states. [2024-11-09 05:41:58,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18365 to 10024. [2024-11-09 05:41:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.8586251621271077) internal successors, (38675), 10023 states have internal predecessors, (38675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38675 transitions. [2024-11-09 05:41:58,657 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38675 transitions. Word has length 55 [2024-11-09 05:41:58,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:58,658 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38675 transitions. [2024-11-09 05:41:58,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:41:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38675 transitions. [2024-11-09 05:41:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:41:58,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:58,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:58,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 05:41:58,680 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:41:58,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:58,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1583493780, now seen corresponding path program 26 times [2024-11-09 05:41:58,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:58,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581923356] [2024-11-09 05:41:58,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:58,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:41:59,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:59,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581923356] [2024-11-09 05:41:59,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581923356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:59,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:59,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:41:59,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626952048] [2024-11-09 05:41:59,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:59,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:41:59,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:59,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:41:59,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:41:59,986 INFO L87 Difference]: Start difference. First operand 10024 states and 38675 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:02,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:02,071 INFO L93 Difference]: Finished difference Result 18385 states and 68183 transitions. [2024-11-09 05:42:02,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:42:02,071 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:02,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:02,149 INFO L225 Difference]: With dead ends: 18385 [2024-11-09 05:42:02,149 INFO L226 Difference]: Without dead ends: 18304 [2024-11-09 05:42:02,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:42:02,157 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 324 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:02,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 616 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:42:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18304 states. [2024-11-09 05:42:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18304 to 10012. [2024-11-09 05:42:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10012 states, 10011 states have (on average 3.860053940665268) internal successors, (38643), 10011 states have internal predecessors, (38643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 38643 transitions. [2024-11-09 05:42:02,526 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 38643 transitions. Word has length 55 [2024-11-09 05:42:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:02,526 INFO L471 AbstractCegarLoop]: Abstraction has 10012 states and 38643 transitions. [2024-11-09 05:42:02,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 38643 transitions. [2024-11-09 05:42:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:02,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:02,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:02,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 05:42:02,555 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:02,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1021068516, now seen corresponding path program 27 times [2024-11-09 05:42:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:02,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336084463] [2024-11-09 05:42:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:02,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:03,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:03,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336084463] [2024-11-09 05:42:03,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336084463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:03,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:03,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:03,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450649675] [2024-11-09 05:42:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:03,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:03,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:03,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:03,851 INFO L87 Difference]: Start difference. First operand 10012 states and 38643 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:05,471 INFO L93 Difference]: Finished difference Result 18260 states and 67841 transitions. [2024-11-09 05:42:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:42:05,472 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:05,538 INFO L225 Difference]: With dead ends: 18260 [2024-11-09 05:42:05,538 INFO L226 Difference]: Without dead ends: 18189 [2024-11-09 05:42:05,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:42:05,544 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 323 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:05,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 593 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:42:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18189 states. [2024-11-09 05:42:05,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18189 to 10042. [2024-11-09 05:42:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10042 states, 10041 states have (on average 3.857982272682004) internal successors, (38738), 10041 states have internal predecessors, (38738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10042 states to 10042 states and 38738 transitions. [2024-11-09 05:42:05,855 INFO L78 Accepts]: Start accepts. Automaton has 10042 states and 38738 transitions. Word has length 55 [2024-11-09 05:42:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:05,855 INFO L471 AbstractCegarLoop]: Abstraction has 10042 states and 38738 transitions. [2024-11-09 05:42:05,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 10042 states and 38738 transitions. [2024-11-09 05:42:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:05,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:05,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:05,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 05:42:05,877 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:05,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -505847610, now seen corresponding path program 28 times [2024-11-09 05:42:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:05,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294216555] [2024-11-09 05:42:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:07,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:07,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294216555] [2024-11-09 05:42:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294216555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:07,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:07,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:07,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116861264] [2024-11-09 05:42:07,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:07,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:07,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:07,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:07,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:07,308 INFO L87 Difference]: Start difference. First operand 10042 states and 38738 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:09,176 INFO L93 Difference]: Finished difference Result 18258 states and 67826 transitions. [2024-11-09 05:42:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:42:09,177 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:09,255 INFO L225 Difference]: With dead ends: 18258 [2024-11-09 05:42:09,255 INFO L226 Difference]: Without dead ends: 18179 [2024-11-09 05:42:09,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:42:09,262 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 348 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:09,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 561 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18179 states. [2024-11-09 05:42:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18179 to 10032. [2024-11-09 05:42:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 3.8583391486392182) internal successors, (38703), 10031 states have internal predecessors, (38703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 38703 transitions. [2024-11-09 05:42:09,737 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 38703 transitions. Word has length 55 [2024-11-09 05:42:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:09,737 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 38703 transitions. [2024-11-09 05:42:09,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 38703 transitions. [2024-11-09 05:42:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:09,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:09,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:42:09,759 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:09,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash -351410092, now seen corresponding path program 29 times [2024-11-09 05:42:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:09,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823330304] [2024-11-09 05:42:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:11,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823330304] [2024-11-09 05:42:11,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823330304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:11,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:11,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:11,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118814315] [2024-11-09 05:42:11,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:11,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:11,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:11,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:11,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:11,167 INFO L87 Difference]: Start difference. First operand 10032 states and 38703 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:13,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:13,066 INFO L93 Difference]: Finished difference Result 18219 states and 67737 transitions. [2024-11-09 05:42:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:42:13,067 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:13,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:13,127 INFO L225 Difference]: With dead ends: 18219 [2024-11-09 05:42:13,127 INFO L226 Difference]: Without dead ends: 18090 [2024-11-09 05:42:13,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:42:13,133 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 282 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:13,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 614 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:13,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18090 states. [2024-11-09 05:42:13,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18090 to 10012. [2024-11-09 05:42:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10012 states, 10011 states have (on average 3.859254819698332) internal successors, (38635), 10011 states have internal predecessors, (38635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 38635 transitions. [2024-11-09 05:42:13,449 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 38635 transitions. Word has length 55 [2024-11-09 05:42:13,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:13,450 INFO L471 AbstractCegarLoop]: Abstraction has 10012 states and 38635 transitions. [2024-11-09 05:42:13,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 38635 transitions. [2024-11-09 05:42:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:13,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:13,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:13,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 05:42:13,471 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:13,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash -523911964, now seen corresponding path program 30 times [2024-11-09 05:42:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:13,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842139367] [2024-11-09 05:42:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:15,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842139367] [2024-11-09 05:42:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842139367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:15,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:15,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:15,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120522009] [2024-11-09 05:42:15,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:15,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:15,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:15,195 INFO L87 Difference]: Start difference. First operand 10012 states and 38635 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:17,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:17,233 INFO L93 Difference]: Finished difference Result 18400 states and 68251 transitions. [2024-11-09 05:42:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:42:17,234 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:17,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:17,325 INFO L225 Difference]: With dead ends: 18400 [2024-11-09 05:42:17,325 INFO L226 Difference]: Without dead ends: 18335 [2024-11-09 05:42:17,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:42:17,333 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 393 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:17,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 497 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:17,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18335 states. [2024-11-09 05:42:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18335 to 10036. [2024-11-09 05:42:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10036 states, 10035 states have (on average 3.857598405580468) internal successors, (38711), 10035 states have internal predecessors, (38711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10036 states to 10036 states and 38711 transitions. [2024-11-09 05:42:17,677 INFO L78 Accepts]: Start accepts. Automaton has 10036 states and 38711 transitions. Word has length 55 [2024-11-09 05:42:17,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:17,678 INFO L471 AbstractCegarLoop]: Abstraction has 10036 states and 38711 transitions. [2024-11-09 05:42:17,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10036 states and 38711 transitions. [2024-11-09 05:42:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:17,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:17,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:17,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 05:42:17,699 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:17,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2076089542, now seen corresponding path program 31 times [2024-11-09 05:42:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:17,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318783034] [2024-11-09 05:42:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:18,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:18,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318783034] [2024-11-09 05:42:18,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318783034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:18,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:18,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:18,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010468723] [2024-11-09 05:42:18,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:18,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:18,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:18,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:18,944 INFO L87 Difference]: Start difference. First operand 10036 states and 38711 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:20,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:20,999 INFO L93 Difference]: Finished difference Result 18356 states and 68111 transitions. [2024-11-09 05:42:21,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:42:21,000 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:21,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:21,080 INFO L225 Difference]: With dead ends: 18356 [2024-11-09 05:42:21,080 INFO L226 Difference]: Without dead ends: 18279 [2024-11-09 05:42:21,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:42:21,088 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 336 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:21,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 539 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:21,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18279 states. [2024-11-09 05:42:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18279 to 10028. [2024-11-09 05:42:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 10027 states have (on average 3.857883713972275) internal successors, (38683), 10027 states have internal predecessors, (38683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 38683 transitions. [2024-11-09 05:42:21,449 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 38683 transitions. Word has length 55 [2024-11-09 05:42:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:21,449 INFO L471 AbstractCegarLoop]: Abstraction has 10028 states and 38683 transitions. [2024-11-09 05:42:21,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 38683 transitions. [2024-11-09 05:42:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:21,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:21,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:21,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 05:42:21,470 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:21,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1478752884, now seen corresponding path program 32 times [2024-11-09 05:42:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:21,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449708498] [2024-11-09 05:42:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:21,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:22,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:22,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449708498] [2024-11-09 05:42:22,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449708498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:22,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:22,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:22,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194620256] [2024-11-09 05:42:22,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:22,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:22,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:22,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:22,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:22,925 INFO L87 Difference]: Start difference. First operand 10028 states and 38683 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:24,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:24,828 INFO L93 Difference]: Finished difference Result 18279 states and 67909 transitions. [2024-11-09 05:42:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:42:24,828 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:24,906 INFO L225 Difference]: With dead ends: 18279 [2024-11-09 05:42:24,906 INFO L226 Difference]: Without dead ends: 18146 [2024-11-09 05:42:24,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=437, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:42:24,916 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 290 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:24,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 521 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:42:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18146 states. [2024-11-09 05:42:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18146 to 10004. [2024-11-09 05:42:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10004 states, 10003 states have (on average 3.859542137358792) internal successors, (38607), 10003 states have internal predecessors, (38607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10004 states to 10004 states and 38607 transitions. [2024-11-09 05:42:25,261 INFO L78 Accepts]: Start accepts. Automaton has 10004 states and 38607 transitions. Word has length 55 [2024-11-09 05:42:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:25,261 INFO L471 AbstractCegarLoop]: Abstraction has 10004 states and 38607 transitions. [2024-11-09 05:42:25,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 10004 states and 38607 transitions. [2024-11-09 05:42:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:25,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:25,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:25,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 05:42:25,284 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:25,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1885547820, now seen corresponding path program 33 times [2024-11-09 05:42:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:25,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137412843] [2024-11-09 05:42:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:27,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:27,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137412843] [2024-11-09 05:42:27,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137412843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:27,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:27,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198134735] [2024-11-09 05:42:27,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:27,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:27,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:27,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:27,082 INFO L87 Difference]: Start difference. First operand 10004 states and 38607 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:29,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:29,265 INFO L93 Difference]: Finished difference Result 18120 states and 67379 transitions. [2024-11-09 05:42:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:29,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:29,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:29,340 INFO L225 Difference]: With dead ends: 18120 [2024-11-09 05:42:29,340 INFO L226 Difference]: Without dead ends: 18007 [2024-11-09 05:42:29,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:29,347 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 302 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:29,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 573 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:42:29,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18007 states. [2024-11-09 05:42:29,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18007 to 10092. [2024-11-09 05:42:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.8532355564364287) internal successors, (38883), 10091 states have internal predecessors, (38883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38883 transitions. [2024-11-09 05:42:29,687 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38883 transitions. Word has length 55 [2024-11-09 05:42:29,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38883 transitions. [2024-11-09 05:42:29,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38883 transitions. [2024-11-09 05:42:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:29,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:29,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:29,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 05:42:29,710 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:29,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:29,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1079491314, now seen corresponding path program 34 times [2024-11-09 05:42:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:29,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172826277] [2024-11-09 05:42:29,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:29,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:31,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:31,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172826277] [2024-11-09 05:42:31,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172826277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:31,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:31,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638475975] [2024-11-09 05:42:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:31,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:31,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:31,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:31,202 INFO L87 Difference]: Start difference. First operand 10092 states and 38883 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:33,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:33,558 INFO L93 Difference]: Finished difference Result 18149 states and 67413 transitions. [2024-11-09 05:42:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:33,638 INFO L225 Difference]: With dead ends: 18149 [2024-11-09 05:42:33,638 INFO L226 Difference]: Without dead ends: 18084 [2024-11-09 05:42:33,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:33,646 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 396 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:33,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 521 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:42:33,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18084 states. [2024-11-09 05:42:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18084 to 10100. [2024-11-09 05:42:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.85216358055253) internal successors, (38903), 10099 states have internal predecessors, (38903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38903 transitions. [2024-11-09 05:42:33,997 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38903 transitions. Word has length 55 [2024-11-09 05:42:33,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:33,997 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38903 transitions. [2024-11-09 05:42:33,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38903 transitions. [2024-11-09 05:42:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:34,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:34,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:34,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 05:42:34,020 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:34,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:34,020 INFO L85 PathProgramCache]: Analyzing trace with hash -615474476, now seen corresponding path program 35 times [2024-11-09 05:42:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961819240] [2024-11-09 05:42:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:34,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:35,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:35,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961819240] [2024-11-09 05:42:35,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961819240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:35,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:35,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:35,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966917957] [2024-11-09 05:42:35,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:35,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:35,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:35,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:35,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:35,313 INFO L87 Difference]: Start difference. First operand 10100 states and 38903 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:36,988 INFO L93 Difference]: Finished difference Result 18084 states and 67243 transitions. [2024-11-09 05:42:36,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:36,989 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:37,060 INFO L225 Difference]: With dead ends: 18084 [2024-11-09 05:42:37,060 INFO L226 Difference]: Without dead ends: 17983 [2024-11-09 05:42:37,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:37,067 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 306 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:37,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 549 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:42:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17983 states. [2024-11-09 05:42:37,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17983 to 10068. [2024-11-09 05:42:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 3.854077679547035) internal successors, (38799), 10067 states have internal predecessors, (38799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 38799 transitions. [2024-11-09 05:42:37,374 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 38799 transitions. Word has length 55 [2024-11-09 05:42:37,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:37,375 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 38799 transitions. [2024-11-09 05:42:37,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 38799 transitions. [2024-11-09 05:42:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:37,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:37,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:37,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 05:42:37,393 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:37,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash 164409826, now seen corresponding path program 36 times [2024-11-09 05:42:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507393999] [2024-11-09 05:42:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:38,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:38,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507393999] [2024-11-09 05:42:38,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507393999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:38,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:38,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:38,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121694829] [2024-11-09 05:42:38,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:38,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:38,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:38,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:38,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:38,732 INFO L87 Difference]: Start difference. First operand 10068 states and 38799 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:40,642 INFO L93 Difference]: Finished difference Result 18072 states and 67199 transitions. [2024-11-09 05:42:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:40,720 INFO L225 Difference]: With dead ends: 18072 [2024-11-09 05:42:40,720 INFO L226 Difference]: Without dead ends: 18007 [2024-11-09 05:42:40,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:40,728 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 354 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:40,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 537 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18007 states. [2024-11-09 05:42:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18007 to 10092. [2024-11-09 05:42:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.852442770785849) internal successors, (38875), 10091 states have internal predecessors, (38875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38875 transitions. [2024-11-09 05:42:41,070 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38875 transitions. Word has length 55 [2024-11-09 05:42:41,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:41,071 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38875 transitions. [2024-11-09 05:42:41,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:41,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38875 transitions. [2024-11-09 05:42:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:41,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:41,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:41,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 05:42:41,092 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:41,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:41,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1530555964, now seen corresponding path program 37 times [2024-11-09 05:42:41,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:41,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360836219] [2024-11-09 05:42:41,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:42,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360836219] [2024-11-09 05:42:42,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360836219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:42,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:42,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:42,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707742368] [2024-11-09 05:42:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:42,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:42,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:42,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:42,303 INFO L87 Difference]: Start difference. First operand 10092 states and 38875 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:44,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:44,086 INFO L93 Difference]: Finished difference Result 18076 states and 67203 transitions. [2024-11-09 05:42:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:44,087 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:44,162 INFO L225 Difference]: With dead ends: 18076 [2024-11-09 05:42:44,162 INFO L226 Difference]: Without dead ends: 17999 [2024-11-09 05:42:44,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:44,169 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 364 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:44,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 488 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:42:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17999 states. [2024-11-09 05:42:44,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17999 to 10084. [2024-11-09 05:42:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.852722404046415) internal successors, (38847), 10083 states have internal predecessors, (38847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38847 transitions. [2024-11-09 05:42:44,497 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38847 transitions. Word has length 55 [2024-11-09 05:42:44,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:44,498 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38847 transitions. [2024-11-09 05:42:44,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38847 transitions. [2024-11-09 05:42:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:44,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:44,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:44,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 05:42:44,517 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:44,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:44,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2127892622, now seen corresponding path program 38 times [2024-11-09 05:42:44,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:44,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267450268] [2024-11-09 05:42:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:44,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:46,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:46,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267450268] [2024-11-09 05:42:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267450268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:46,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753853595] [2024-11-09 05:42:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:46,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:46,049 INFO L87 Difference]: Start difference. First operand 10084 states and 38847 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:47,669 INFO L93 Difference]: Finished difference Result 17999 states and 67001 transitions. [2024-11-09 05:42:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:47,749 INFO L225 Difference]: With dead ends: 17999 [2024-11-09 05:42:47,749 INFO L226 Difference]: Without dead ends: 17754 [2024-11-09 05:42:47,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:47,757 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 289 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:47,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 488 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:42:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17754 states. [2024-11-09 05:42:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17754 to 9948. [2024-11-09 05:42:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9948 states, 9947 states have (on average 3.8623705639891424) internal successors, (38419), 9947 states have internal predecessors, (38419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9948 states to 9948 states and 38419 transitions. [2024-11-09 05:42:48,111 INFO L78 Accepts]: Start accepts. Automaton has 9948 states and 38419 transitions. Word has length 55 [2024-11-09 05:42:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:48,111 INFO L471 AbstractCegarLoop]: Abstraction has 9948 states and 38419 transitions. [2024-11-09 05:42:48,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 9948 states and 38419 transitions. [2024-11-09 05:42:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:48,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:48,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:48,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 05:42:48,135 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:48,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1148432644, now seen corresponding path program 39 times [2024-11-09 05:42:48,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:48,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143075230] [2024-11-09 05:42:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:48,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:49,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143075230] [2024-11-09 05:42:49,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143075230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:49,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:49,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:49,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151826296] [2024-11-09 05:42:49,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:49,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:49,554 INFO L87 Difference]: Start difference. First operand 9948 states and 38419 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:51,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:51,609 INFO L93 Difference]: Finished difference Result 18340 states and 68225 transitions. [2024-11-09 05:42:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:42:51,609 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:51,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:51,689 INFO L225 Difference]: With dead ends: 18340 [2024-11-09 05:42:51,689 INFO L226 Difference]: Without dead ends: 18269 [2024-11-09 05:42:51,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:51,697 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 349 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:51,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 512 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:42:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18269 states. [2024-11-09 05:42:52,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18269 to 10184. [2024-11-09 05:42:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10184 states, 10183 states have (on average 3.8584896395954043) internal successors, (39291), 10183 states have internal predecessors, (39291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10184 states to 10184 states and 39291 transitions. [2024-11-09 05:42:52,190 INFO L78 Accepts]: Start accepts. Automaton has 10184 states and 39291 transitions. Word has length 55 [2024-11-09 05:42:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:52,191 INFO L471 AbstractCegarLoop]: Abstraction has 10184 states and 39291 transitions. [2024-11-09 05:42:52,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 10184 states and 39291 transitions. [2024-11-09 05:42:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:52,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:52,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:52,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 05:42:52,213 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:52,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1153684196, now seen corresponding path program 40 times [2024-11-09 05:42:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270350093] [2024-11-09 05:42:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:53,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270350093] [2024-11-09 05:42:53,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270350093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:53,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:53,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:53,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717953903] [2024-11-09 05:42:53,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:53,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:53,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:53,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:53,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:53,700 INFO L87 Difference]: Start difference. First operand 10184 states and 39291 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:56,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:56,092 INFO L93 Difference]: Finished difference Result 18334 states and 68200 transitions. [2024-11-09 05:42:56,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:42:56,093 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:42:56,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:56,173 INFO L225 Difference]: With dead ends: 18334 [2024-11-09 05:42:56,174 INFO L226 Difference]: Without dead ends: 18261 [2024-11-09 05:42:56,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:42:56,181 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 321 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:56,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 585 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:42:56,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18261 states. [2024-11-09 05:42:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18261 to 10176. [2024-11-09 05:42:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10176 states, 10175 states have (on average 3.8587714987714987) internal successors, (39263), 10175 states have internal predecessors, (39263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 10176 states and 39263 transitions. [2024-11-09 05:42:56,510 INFO L78 Accepts]: Start accepts. Automaton has 10176 states and 39263 transitions. Word has length 55 [2024-11-09 05:42:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:56,511 INFO L471 AbstractCegarLoop]: Abstraction has 10176 states and 39263 transitions. [2024-11-09 05:42:56,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 10176 states and 39263 transitions. [2024-11-09 05:42:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:42:56,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:56,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:56,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 05:42:56,532 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:42:56,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash -283955546, now seen corresponding path program 41 times [2024-11-09 05:42:56,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:56,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344677182] [2024-11-09 05:42:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:57,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:57,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344677182] [2024-11-09 05:42:57,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344677182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:57,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:57,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:42:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603649346] [2024-11-09 05:42:57,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:57,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:42:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:57,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:42:57,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:42:57,849 INFO L87 Difference]: Start difference. First operand 10176 states and 39263 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:00,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:00,270 INFO L93 Difference]: Finished difference Result 18261 states and 68010 transitions. [2024-11-09 05:43:00,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:00,271 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:00,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:00,353 INFO L225 Difference]: With dead ends: 18261 [2024-11-09 05:43:00,353 INFO L226 Difference]: Without dead ends: 18124 [2024-11-09 05:43:00,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:00,360 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 288 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:00,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 557 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:43:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18124 states. [2024-11-09 05:43:00,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18124 to 10152. [2024-11-09 05:43:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10152 states, 10151 states have (on average 3.858043542508127) internal successors, (39163), 10151 states have internal predecessors, (39163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10152 states to 10152 states and 39163 transitions. [2024-11-09 05:43:00,715 INFO L78 Accepts]: Start accepts. Automaton has 10152 states and 39163 transitions. Word has length 55 [2024-11-09 05:43:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:00,715 INFO L471 AbstractCegarLoop]: Abstraction has 10152 states and 39163 transitions. [2024-11-09 05:43:00,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 10152 states and 39163 transitions. [2024-11-09 05:43:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:00,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:00,737 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:00,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 05:43:00,737 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:00,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:00,738 INFO L85 PathProgramCache]: Analyzing trace with hash 396658468, now seen corresponding path program 42 times [2024-11-09 05:43:00,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379082908] [2024-11-09 05:43:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:02,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379082908] [2024-11-09 05:43:02,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379082908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:02,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:02,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:02,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387671138] [2024-11-09 05:43:02,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:02,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:02,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:02,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:02,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:02,099 INFO L87 Difference]: Start difference. First operand 10152 states and 39163 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:04,555 INFO L93 Difference]: Finished difference Result 18429 states and 68431 transitions. [2024-11-09 05:43:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:04,555 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:04,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:04,634 INFO L225 Difference]: With dead ends: 18429 [2024-11-09 05:43:04,635 INFO L226 Difference]: Without dead ends: 18358 [2024-11-09 05:43:04,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:04,642 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 387 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:04,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 554 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:43:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18358 states. [2024-11-09 05:43:04,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18358 to 10184. [2024-11-09 05:43:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10184 states, 10183 states have (on average 3.856132770303447) internal successors, (39267), 10183 states have internal predecessors, (39267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10184 states to 10184 states and 39267 transitions. [2024-11-09 05:43:04,992 INFO L78 Accepts]: Start accepts. Automaton has 10184 states and 39267 transitions. Word has length 55 [2024-11-09 05:43:04,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:04,992 INFO L471 AbstractCegarLoop]: Abstraction has 10184 states and 39267 transitions. [2024-11-09 05:43:04,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 10184 states and 39267 transitions. [2024-11-09 05:43:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:05,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:05,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:05,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 05:43:05,095 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:05,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash 401910020, now seen corresponding path program 43 times [2024-11-09 05:43:05,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:05,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982202474] [2024-11-09 05:43:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:06,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:06,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982202474] [2024-11-09 05:43:06,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982202474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:06,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:06,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:06,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478493208] [2024-11-09 05:43:06,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:06,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:06,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:06,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:06,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:06,499 INFO L87 Difference]: Start difference. First operand 10184 states and 39267 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:08,427 INFO L93 Difference]: Finished difference Result 18358 states and 68244 transitions. [2024-11-09 05:43:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:08,427 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:08,504 INFO L225 Difference]: With dead ends: 18358 [2024-11-09 05:43:08,505 INFO L226 Difference]: Without dead ends: 18285 [2024-11-09 05:43:08,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:08,513 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 356 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:08,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 517 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:43:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18285 states. [2024-11-09 05:43:08,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18285 to 10176. [2024-11-09 05:43:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10176 states, 10175 states have (on average 3.8564127764127765) internal successors, (39239), 10175 states have internal predecessors, (39239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 10176 states and 39239 transitions. [2024-11-09 05:43:08,863 INFO L78 Accepts]: Start accepts. Automaton has 10176 states and 39239 transitions. Word has length 55 [2024-11-09 05:43:08,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:08,863 INFO L471 AbstractCegarLoop]: Abstraction has 10176 states and 39239 transitions. [2024-11-09 05:43:08,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 10176 states and 39239 transitions. [2024-11-09 05:43:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:08,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:08,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:08,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 05:43:08,886 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:08,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:08,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1366577498, now seen corresponding path program 44 times [2024-11-09 05:43:08,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:08,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931404984] [2024-11-09 05:43:08,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:08,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:10,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931404984] [2024-11-09 05:43:10,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931404984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:10,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:10,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:10,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646693310] [2024-11-09 05:43:10,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:10,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:10,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:10,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:10,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:10,337 INFO L87 Difference]: Start difference. First operand 10176 states and 39239 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:12,573 INFO L93 Difference]: Finished difference Result 18285 states and 68054 transitions. [2024-11-09 05:43:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:12,574 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:12,685 INFO L225 Difference]: With dead ends: 18285 [2024-11-09 05:43:12,685 INFO L226 Difference]: Without dead ends: 18052 [2024-11-09 05:43:12,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:12,698 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 301 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:12,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 504 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:12,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18052 states. [2024-11-09 05:43:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18052 to 10080. [2024-11-09 05:43:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.8594106558190298) internal successors, (38899), 10079 states have internal predecessors, (38899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38899 transitions. [2024-11-09 05:43:13,130 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38899 transitions. Word has length 55 [2024-11-09 05:43:13,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:13,131 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38899 transitions. [2024-11-09 05:43:13,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38899 transitions. [2024-11-09 05:43:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:13,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:13,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:13,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 05:43:13,153 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:13,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash 805872900, now seen corresponding path program 45 times [2024-11-09 05:43:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:13,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550753169] [2024-11-09 05:43:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:14,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:14,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550753169] [2024-11-09 05:43:14,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550753169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:14,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:14,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:14,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801707920] [2024-11-09 05:43:14,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:14,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:14,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:14,473 INFO L87 Difference]: Start difference. First operand 10080 states and 38899 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:16,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:16,494 INFO L93 Difference]: Finished difference Result 18441 states and 68463 transitions. [2024-11-09 05:43:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:16,495 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:16,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:16,567 INFO L225 Difference]: With dead ends: 18441 [2024-11-09 05:43:16,567 INFO L226 Difference]: Without dead ends: 18370 [2024-11-09 05:43:16,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:16,574 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 346 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:16,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 569 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:43:16,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18370 states. [2024-11-09 05:43:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18370 to 10124. [2024-11-09 05:43:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10124 states, 10123 states have (on average 3.8576508940037537) internal successors, (39051), 10123 states have internal predecessors, (39051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10124 states to 10124 states and 39051 transitions. [2024-11-09 05:43:16,916 INFO L78 Accepts]: Start accepts. Automaton has 10124 states and 39051 transitions. Word has length 55 [2024-11-09 05:43:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:16,917 INFO L471 AbstractCegarLoop]: Abstraction has 10124 states and 39051 transitions. [2024-11-09 05:43:16,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 10124 states and 39051 transitions. [2024-11-09 05:43:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:16,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:16,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:16,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-09 05:43:16,939 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:16,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash 811124452, now seen corresponding path program 46 times [2024-11-09 05:43:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:16,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585092894] [2024-11-09 05:43:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:18,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:18,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585092894] [2024-11-09 05:43:18,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585092894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:18,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:18,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:18,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693278221] [2024-11-09 05:43:18,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:18,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:18,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:18,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:18,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:18,383 INFO L87 Difference]: Start difference. First operand 10124 states and 39051 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:20,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:20,616 INFO L93 Difference]: Finished difference Result 18435 states and 68438 transitions. [2024-11-09 05:43:20,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:20,617 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:20,719 INFO L225 Difference]: With dead ends: 18435 [2024-11-09 05:43:20,719 INFO L226 Difference]: Without dead ends: 18362 [2024-11-09 05:43:20,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:20,729 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 347 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:20,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 599 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2024-11-09 05:43:21,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 10116. [2024-11-09 05:43:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 10115 states have (on average 3.8579337617399903) internal successors, (39023), 10115 states have internal predecessors, (39023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 39023 transitions. [2024-11-09 05:43:21,169 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 39023 transitions. Word has length 55 [2024-11-09 05:43:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:21,169 INFO L471 AbstractCegarLoop]: Abstraction has 10116 states and 39023 transitions. [2024-11-09 05:43:21,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 39023 transitions. [2024-11-09 05:43:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:21,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:21,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:21,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 05:43:21,204 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:21,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:21,205 INFO L85 PathProgramCache]: Analyzing trace with hash -626515290, now seen corresponding path program 47 times [2024-11-09 05:43:21,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:21,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895246898] [2024-11-09 05:43:21,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:21,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:22,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:22,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895246898] [2024-11-09 05:43:22,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895246898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:22,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:22,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573864565] [2024-11-09 05:43:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:22,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:22,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:22,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:22,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:22,724 INFO L87 Difference]: Start difference. First operand 10116 states and 39023 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:24,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:24,939 INFO L93 Difference]: Finished difference Result 18475 states and 68554 transitions. [2024-11-09 05:43:24,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:24,940 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:24,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:25,022 INFO L225 Difference]: With dead ends: 18475 [2024-11-09 05:43:25,022 INFO L226 Difference]: Without dead ends: 18338 [2024-11-09 05:43:25,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:25,030 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 363 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:25,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 544 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18338 states. [2024-11-09 05:43:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18338 to 10092. [2024-11-09 05:43:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.8583886631651967) internal successors, (38935), 10091 states have internal predecessors, (38935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38935 transitions. [2024-11-09 05:43:25,392 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38935 transitions. Word has length 55 [2024-11-09 05:43:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:25,392 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38935 transitions. [2024-11-09 05:43:25,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38935 transitions. [2024-11-09 05:43:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:25,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:25,415 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:25,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 05:43:25,416 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:25,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:25,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1767194458, now seen corresponding path program 48 times [2024-11-09 05:43:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:25,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938967193] [2024-11-09 05:43:25,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:26,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938967193] [2024-11-09 05:43:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938967193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:26,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:26,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:26,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595998231] [2024-11-09 05:43:26,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:26,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:26,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:26,841 INFO L87 Difference]: Start difference. First operand 10092 states and 38935 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:29,178 INFO L93 Difference]: Finished difference Result 18500 states and 68592 transitions. [2024-11-09 05:43:29,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:29,178 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:29,262 INFO L225 Difference]: With dead ends: 18500 [2024-11-09 05:43:29,262 INFO L226 Difference]: Without dead ends: 18429 [2024-11-09 05:43:29,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:29,270 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 344 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:29,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 583 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18429 states. [2024-11-09 05:43:29,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18429 to 10104. [2024-11-09 05:43:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.8573690982876374) internal successors, (38971), 10103 states have internal predecessors, (38971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38971 transitions. [2024-11-09 05:43:29,669 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38971 transitions. Word has length 55 [2024-11-09 05:43:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:29,669 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38971 transitions. [2024-11-09 05:43:29,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38971 transitions. [2024-11-09 05:43:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:29,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:29,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:29,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-09 05:43:29,704 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:29,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:29,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1761942906, now seen corresponding path program 49 times [2024-11-09 05:43:29,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:29,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627120054] [2024-11-09 05:43:29,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:31,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:31,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627120054] [2024-11-09 05:43:31,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627120054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:31,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:31,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:31,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419564483] [2024-11-09 05:43:31,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:31,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:31,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:31,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:31,265 INFO L87 Difference]: Start difference. First operand 10104 states and 38971 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:33,635 INFO L93 Difference]: Finished difference Result 18494 states and 68567 transitions. [2024-11-09 05:43:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:43:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:33,718 INFO L225 Difference]: With dead ends: 18494 [2024-11-09 05:43:33,718 INFO L226 Difference]: Without dead ends: 18421 [2024-11-09 05:43:33,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:33,726 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 417 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:33,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 558 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:43:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18421 states. [2024-11-09 05:43:34,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18421 to 10096. [2024-11-09 05:43:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.858048538880634) internal successors, (38947), 10095 states have internal predecessors, (38947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38947 transitions. [2024-11-09 05:43:34,088 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38947 transitions. Word has length 55 [2024-11-09 05:43:34,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:34,089 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38947 transitions. [2024-11-09 05:43:34,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38947 transitions. [2024-11-09 05:43:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:34,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:34,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:34,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-09 05:43:34,111 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:34,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:34,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1523440900, now seen corresponding path program 50 times [2024-11-09 05:43:34,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:34,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231572599] [2024-11-09 05:43:34,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:34,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:35,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:35,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231572599] [2024-11-09 05:43:35,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231572599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:35,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:35,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:35,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836952854] [2024-11-09 05:43:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:35,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:35,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:35,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:35,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:35,707 INFO L87 Difference]: Start difference. First operand 10096 states and 38947 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:38,124 INFO L93 Difference]: Finished difference Result 18405 states and 68333 transitions. [2024-11-09 05:43:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:38,124 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:38,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:38,206 INFO L225 Difference]: With dead ends: 18405 [2024-11-09 05:43:38,206 INFO L226 Difference]: Without dead ends: 18334 [2024-11-09 05:43:38,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:38,215 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 364 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:38,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 550 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:43:38,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18334 states. [2024-11-09 05:43:38,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18334 to 10106. [2024-11-09 05:43:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10106 states, 10105 states have (on average 3.8567046016823356) internal successors, (38972), 10105 states have internal predecessors, (38972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10106 states to 10106 states and 38972 transitions. [2024-11-09 05:43:38,574 INFO L78 Accepts]: Start accepts. Automaton has 10106 states and 38972 transitions. Word has length 55 [2024-11-09 05:43:38,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:38,574 INFO L471 AbstractCegarLoop]: Abstraction has 10106 states and 38972 transitions. [2024-11-09 05:43:38,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 10106 states and 38972 transitions. [2024-11-09 05:43:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:38,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:38,596 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:38,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-09 05:43:38,596 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:38,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:38,597 INFO L85 PathProgramCache]: Analyzing trace with hash -3475226, now seen corresponding path program 51 times [2024-11-09 05:43:38,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:38,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712837868] [2024-11-09 05:43:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:38,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:40,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:40,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712837868] [2024-11-09 05:43:40,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712837868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:40,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:40,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:40,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281759615] [2024-11-09 05:43:40,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:40,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:40,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:40,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:40,144 INFO L87 Difference]: Start difference. First operand 10106 states and 38972 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:42,202 INFO L93 Difference]: Finished difference Result 18354 states and 68204 transitions. [2024-11-09 05:43:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:42,202 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:42,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:42,287 INFO L225 Difference]: With dead ends: 18354 [2024-11-09 05:43:42,287 INFO L226 Difference]: Without dead ends: 18275 [2024-11-09 05:43:42,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:43:42,294 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 311 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:42,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 556 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:43:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18275 states. [2024-11-09 05:43:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18275 to 10096. [2024-11-09 05:43:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.8576523031203567) internal successors, (38943), 10095 states have internal predecessors, (38943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38943 transitions. [2024-11-09 05:43:42,698 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38943 transitions. Word has length 55 [2024-11-09 05:43:42,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:42,698 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38943 transitions. [2024-11-09 05:43:42,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38943 transitions. [2024-11-09 05:43:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:42,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:42,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:42,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-09 05:43:42,725 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:42,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1851702556, now seen corresponding path program 52 times [2024-11-09 05:43:42,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:42,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197244723] [2024-11-09 05:43:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:44,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:44,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197244723] [2024-11-09 05:43:44,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197244723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:44,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:44,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:44,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692570688] [2024-11-09 05:43:44,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:44,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:44,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:44,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:44,159 INFO L87 Difference]: Start difference. First operand 10096 states and 38943 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:46,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:46,643 INFO L93 Difference]: Finished difference Result 18417 states and 68365 transitions. [2024-11-09 05:43:46,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:46,644 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:46,715 INFO L225 Difference]: With dead ends: 18417 [2024-11-09 05:43:46,715 INFO L226 Difference]: Without dead ends: 18352 [2024-11-09 05:43:46,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:46,721 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 328 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:46,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 588 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:43:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18352 states. [2024-11-09 05:43:46,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18352 to 10104. [2024-11-09 05:43:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.8565772542809067) internal successors, (38963), 10103 states have internal predecessors, (38963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38963 transitions. [2024-11-09 05:43:47,042 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38963 transitions. Word has length 55 [2024-11-09 05:43:47,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:47,043 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38963 transitions. [2024-11-09 05:43:47,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38963 transitions. [2024-11-09 05:43:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:47,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:47,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:47,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-09 05:43:47,064 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:47,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash 748298950, now seen corresponding path program 53 times [2024-11-09 05:43:47,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:47,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246306122] [2024-11-09 05:43:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:47,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:48,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:48,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246306122] [2024-11-09 05:43:48,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246306122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:48,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:48,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:48,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630988082] [2024-11-09 05:43:48,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:48,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:48,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:48,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:48,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:48,299 INFO L87 Difference]: Start difference. First operand 10104 states and 38963 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:50,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:50,231 INFO L93 Difference]: Finished difference Result 18352 states and 68195 transitions. [2024-11-09 05:43:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:50,231 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:50,308 INFO L225 Difference]: With dead ends: 18352 [2024-11-09 05:43:50,308 INFO L226 Difference]: Without dead ends: 18271 [2024-11-09 05:43:50,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:43:50,315 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 293 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:50,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 603 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:43:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18271 states. [2024-11-09 05:43:50,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18271 to 10092. [2024-11-09 05:43:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.8579922703399068) internal successors, (38931), 10091 states have internal predecessors, (38931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38931 transitions. [2024-11-09 05:43:50,653 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38931 transitions. Word has length 55 [2024-11-09 05:43:50,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:50,654 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38931 transitions. [2024-11-09 05:43:50,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38931 transitions. [2024-11-09 05:43:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:50,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:50,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:50,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-09 05:43:50,674 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 885902856, now seen corresponding path program 54 times [2024-11-09 05:43:50,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:50,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735086209] [2024-11-09 05:43:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:52,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:52,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735086209] [2024-11-09 05:43:52,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735086209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:52,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:52,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:52,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103682240] [2024-11-09 05:43:52,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:52,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:52,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:52,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:52,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:52,040 INFO L87 Difference]: Start difference. First operand 10092 states and 38931 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:54,197 INFO L93 Difference]: Finished difference Result 18308 states and 68063 transitions. [2024-11-09 05:43:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:54,198 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:54,275 INFO L225 Difference]: With dead ends: 18308 [2024-11-09 05:43:54,275 INFO L226 Difference]: Without dead ends: 18195 [2024-11-09 05:43:54,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:54,282 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 344 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:54,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 498 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:54,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18195 states. [2024-11-09 05:43:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18195 to 10116. [2024-11-09 05:43:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 10115 states have (on average 3.854770143351458) internal successors, (38991), 10115 states have internal predecessors, (38991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 38991 transitions. [2024-11-09 05:43:54,616 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 38991 transitions. Word has length 55 [2024-11-09 05:43:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:54,617 INFO L471 AbstractCegarLoop]: Abstraction has 10116 states and 38991 transitions. [2024-11-09 05:43:54,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 38991 transitions. [2024-11-09 05:43:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:54,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:54,639 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:54,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-09 05:43:54,639 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:54,640 INFO L85 PathProgramCache]: Analyzing trace with hash -444025306, now seen corresponding path program 55 times [2024-11-09 05:43:54,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:54,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064779286] [2024-11-09 05:43:54,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:56,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:56,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064779286] [2024-11-09 05:43:56,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064779286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:56,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:56,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:43:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042403649] [2024-11-09 05:43:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:56,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:43:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:56,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:43:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:43:56,084 INFO L87 Difference]: Start difference. First operand 10116 states and 38991 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:58,289 INFO L93 Difference]: Finished difference Result 18272 states and 67935 transitions. [2024-11-09 05:43:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:43:58,289 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:43:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:58,370 INFO L225 Difference]: With dead ends: 18272 [2024-11-09 05:43:58,371 INFO L226 Difference]: Without dead ends: 18207 [2024-11-09 05:43:58,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:58,378 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 306 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:58,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 541 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:43:58,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18207 states. [2024-11-09 05:43:58,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18207 to 10124. [2024-11-09 05:43:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10124 states, 10123 states have (on average 3.8536994961967794) internal successors, (39011), 10123 states have internal predecessors, (39011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10124 states to 10124 states and 39011 transitions. [2024-11-09 05:43:58,863 INFO L78 Accepts]: Start accepts. Automaton has 10124 states and 39011 transitions. Word has length 55 [2024-11-09 05:43:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:58,864 INFO L471 AbstractCegarLoop]: Abstraction has 10124 states and 39011 transitions. [2024-11-09 05:43:58,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 10124 states and 39011 transitions. [2024-11-09 05:43:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:43:58,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:58,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:58,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-09 05:43:58,887 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:43:58,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2138991096, now seen corresponding path program 56 times [2024-11-09 05:43:58,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:58,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539915567] [2024-11-09 05:43:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:00,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:00,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539915567] [2024-11-09 05:44:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539915567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:00,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:00,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:00,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346379604] [2024-11-09 05:44:00,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:00,297 INFO L87 Difference]: Start difference. First operand 10124 states and 39011 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:02,376 INFO L93 Difference]: Finished difference Result 18207 states and 67765 transitions. [2024-11-09 05:44:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:02,376 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:02,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:02,474 INFO L225 Difference]: With dead ends: 18207 [2024-11-09 05:44:02,474 INFO L226 Difference]: Without dead ends: 18094 [2024-11-09 05:44:02,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:44:02,481 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 306 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:02,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 541 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:44:02,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18094 states. [2024-11-09 05:44:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18094 to 10080. [2024-11-09 05:44:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.858220061514039) internal successors, (38887), 10079 states have internal predecessors, (38887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38887 transitions. [2024-11-09 05:44:02,917 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38887 transitions. Word has length 55 [2024-11-09 05:44:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:02,917 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38887 transitions. [2024-11-09 05:44:02,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38887 transitions. [2024-11-09 05:44:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:02,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:02,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:02,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-09 05:44:02,941 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:02,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1618425636, now seen corresponding path program 57 times [2024-11-09 05:44:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657941957] [2024-11-09 05:44:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:04,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:04,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657941957] [2024-11-09 05:44:04,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657941957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:04,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:04,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:04,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020985832] [2024-11-09 05:44:04,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:04,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:04,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:04,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:04,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:04,392 INFO L87 Difference]: Start difference. First operand 10080 states and 38887 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:06,459 INFO L93 Difference]: Finished difference Result 18536 states and 68702 transitions. [2024-11-09 05:44:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:06,460 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:06,541 INFO L225 Difference]: With dead ends: 18536 [2024-11-09 05:44:06,541 INFO L226 Difference]: Without dead ends: 18465 [2024-11-09 05:44:06,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:06,552 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 393 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:06,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 550 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:44:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18465 states. [2024-11-09 05:44:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18465 to 10124. [2024-11-09 05:44:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10124 states, 10123 states have (on average 3.8564654746616616) internal successors, (39039), 10123 states have internal predecessors, (39039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10124 states to 10124 states and 39039 transitions. [2024-11-09 05:44:06,924 INFO L78 Accepts]: Start accepts. Automaton has 10124 states and 39039 transitions. Word has length 55 [2024-11-09 05:44:06,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:06,924 INFO L471 AbstractCegarLoop]: Abstraction has 10124 states and 39039 transitions. [2024-11-09 05:44:06,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 10124 states and 39039 transitions. [2024-11-09 05:44:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:06,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:06,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:06,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-09 05:44:06,947 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:06,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:06,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1623677188, now seen corresponding path program 58 times [2024-11-09 05:44:06,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:06,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555503443] [2024-11-09 05:44:06,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:08,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:08,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555503443] [2024-11-09 05:44:08,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555503443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:08,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:08,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475877128] [2024-11-09 05:44:08,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:08,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:08,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:08,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:08,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:08,503 INFO L87 Difference]: Start difference. First operand 10124 states and 39039 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:10,533 INFO L93 Difference]: Finished difference Result 18465 states and 68515 transitions. [2024-11-09 05:44:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:10,617 INFO L225 Difference]: With dead ends: 18465 [2024-11-09 05:44:10,618 INFO L226 Difference]: Without dead ends: 18392 [2024-11-09 05:44:10,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:10,626 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 374 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:10,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 565 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:44:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18392 states. [2024-11-09 05:44:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18392 to 10116. [2024-11-09 05:44:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 10115 states have (on average 3.8567474048442905) internal successors, (39011), 10115 states have internal predecessors, (39011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 39011 transitions. [2024-11-09 05:44:10,981 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 39011 transitions. Word has length 55 [2024-11-09 05:44:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:10,982 INFO L471 AbstractCegarLoop]: Abstraction has 10116 states and 39011 transitions. [2024-11-09 05:44:10,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 39011 transitions. [2024-11-09 05:44:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:11,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:11,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:11,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-09 05:44:11,011 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:11,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:11,011 INFO L85 PathProgramCache]: Analyzing trace with hash -144810330, now seen corresponding path program 59 times [2024-11-09 05:44:11,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:11,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542231595] [2024-11-09 05:44:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:11,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:12,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:12,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542231595] [2024-11-09 05:44:12,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542231595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:12,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:12,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:12,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175508586] [2024-11-09 05:44:12,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:12,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:12,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:12,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:12,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:12,606 INFO L87 Difference]: Start difference. First operand 10116 states and 39011 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:14,822 INFO L93 Difference]: Finished difference Result 18529 states and 68699 transitions. [2024-11-09 05:44:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:14,822 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:14,900 INFO L225 Difference]: With dead ends: 18529 [2024-11-09 05:44:14,901 INFO L226 Difference]: Without dead ends: 18368 [2024-11-09 05:44:14,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:14,909 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 378 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:14,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 540 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:44:14,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18368 states. [2024-11-09 05:44:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18368 to 10092. [2024-11-09 05:44:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.857199484689327) internal successors, (38923), 10091 states have internal predecessors, (38923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38923 transitions. [2024-11-09 05:44:15,262 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38923 transitions. Word has length 55 [2024-11-09 05:44:15,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:15,263 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38923 transitions. [2024-11-09 05:44:15,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38923 transitions. [2024-11-09 05:44:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:15,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:15,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:15,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-09 05:44:15,286 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:15,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:15,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1627295430, now seen corresponding path program 60 times [2024-11-09 05:44:15,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:15,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457109038] [2024-11-09 05:44:15,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:15,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:16,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457109038] [2024-11-09 05:44:16,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457109038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:16,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:16,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:16,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587152008] [2024-11-09 05:44:16,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:16,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:16,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:16,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:16,734 INFO L87 Difference]: Start difference. First operand 10092 states and 38923 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:19,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:19,076 INFO L93 Difference]: Finished difference Result 18530 states and 68669 transitions. [2024-11-09 05:44:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:19,077 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:19,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:19,154 INFO L225 Difference]: With dead ends: 18530 [2024-11-09 05:44:19,154 INFO L226 Difference]: Without dead ends: 18459 [2024-11-09 05:44:19,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:19,162 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 376 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:19,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 550 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:44:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18459 states. [2024-11-09 05:44:19,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18459 to 10104. [2024-11-09 05:44:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.8561813322775413) internal successors, (38959), 10103 states have internal predecessors, (38959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38959 transitions. [2024-11-09 05:44:19,518 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38959 transitions. Word has length 55 [2024-11-09 05:44:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:19,518 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38959 transitions. [2024-11-09 05:44:19,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38959 transitions. [2024-11-09 05:44:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:19,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:19,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:19,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-09 05:44:19,541 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:19,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:19,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1632546982, now seen corresponding path program 61 times [2024-11-09 05:44:19,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:19,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900441083] [2024-11-09 05:44:19,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:19,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:20,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:20,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900441083] [2024-11-09 05:44:20,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900441083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:20,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:20,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:20,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368123812] [2024-11-09 05:44:20,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:20,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:20,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:20,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:20,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:20,948 INFO L87 Difference]: Start difference. First operand 10104 states and 38959 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:23,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:23,385 INFO L93 Difference]: Finished difference Result 18524 states and 68644 transitions. [2024-11-09 05:44:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:23,386 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:23,468 INFO L225 Difference]: With dead ends: 18524 [2024-11-09 05:44:23,468 INFO L226 Difference]: Without dead ends: 18451 [2024-11-09 05:44:23,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:23,476 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 385 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:23,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 581 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:44:23,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18451 states. [2024-11-09 05:44:23,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18451 to 10096. [2024-11-09 05:44:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.856859831599802) internal successors, (38935), 10095 states have internal predecessors, (38935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38935 transitions. [2024-11-09 05:44:23,837 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38935 transitions. Word has length 55 [2024-11-09 05:44:23,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:23,837 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38935 transitions. [2024-11-09 05:44:23,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38935 transitions. [2024-11-09 05:44:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:23,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:23,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:23,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-09 05:44:23,856 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:23,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:23,857 INFO L85 PathProgramCache]: Analyzing trace with hash 622963492, now seen corresponding path program 62 times [2024-11-09 05:44:23,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:23,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796924990] [2024-11-09 05:44:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:23,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:25,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:25,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796924990] [2024-11-09 05:44:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796924990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:25,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:25,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:25,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4254696] [2024-11-09 05:44:25,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:25,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:25,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:25,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:25,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:25,341 INFO L87 Difference]: Start difference. First operand 10096 states and 38935 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:27,593 INFO L93 Difference]: Finished difference Result 18530 states and 68667 transitions. [2024-11-09 05:44:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:27,594 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:27,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:27,673 INFO L225 Difference]: With dead ends: 18530 [2024-11-09 05:44:27,673 INFO L226 Difference]: Without dead ends: 18459 [2024-11-09 05:44:27,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:27,680 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 422 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:27,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 533 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:44:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18459 states. [2024-11-09 05:44:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18459 to 10106. [2024-11-09 05:44:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10106 states, 10105 states have (on average 3.8555170707570507) internal successors, (38960), 10105 states have internal predecessors, (38960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10106 states to 10106 states and 38960 transitions. [2024-11-09 05:44:28,040 INFO L78 Accepts]: Start accepts. Automaton has 10106 states and 38960 transitions. Word has length 55 [2024-11-09 05:44:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:28,040 INFO L471 AbstractCegarLoop]: Abstraction has 10106 states and 38960 transitions. [2024-11-09 05:44:28,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:28,041 INFO L276 IsEmpty]: Start isEmpty. Operand 10106 states and 38960 transitions. [2024-11-09 05:44:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:28,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:28,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:28,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-09 05:44:28,062 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:28,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash -903952634, now seen corresponding path program 63 times [2024-11-09 05:44:28,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:28,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016826789] [2024-11-09 05:44:28,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:29,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:29,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016826789] [2024-11-09 05:44:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016826789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:29,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:29,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:29,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571997984] [2024-11-09 05:44:29,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:29,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:29,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:29,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:29,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:29,401 INFO L87 Difference]: Start difference. First operand 10106 states and 38960 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:31,510 INFO L93 Difference]: Finished difference Result 18479 states and 68538 transitions. [2024-11-09 05:44:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:31,511 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:31,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:31,593 INFO L225 Difference]: With dead ends: 18479 [2024-11-09 05:44:31,594 INFO L226 Difference]: Without dead ends: 18400 [2024-11-09 05:44:31,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:31,601 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 327 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:31,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 577 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:44:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18400 states. [2024-11-09 05:44:31,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18400 to 10096. [2024-11-09 05:44:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.8564635958395246) internal successors, (38931), 10095 states have internal predecessors, (38931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38931 transitions. [2024-11-09 05:44:31,966 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38931 transitions. Word has length 55 [2024-11-09 05:44:31,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:31,966 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38931 transitions. [2024-11-09 05:44:31,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38931 transitions. [2024-11-09 05:44:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:31,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:31,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:31,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-09 05:44:31,989 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:31,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1542787332, now seen corresponding path program 64 times [2024-11-09 05:44:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352111018] [2024-11-09 05:44:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:33,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:33,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352111018] [2024-11-09 05:44:33,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352111018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:33,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:33,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:33,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318350335] [2024-11-09 05:44:33,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:33,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:33,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:33,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:33,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:33,490 INFO L87 Difference]: Start difference. First operand 10096 states and 38931 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:35,478 INFO L93 Difference]: Finished difference Result 18429 states and 68389 transitions. [2024-11-09 05:44:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:35,478 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:35,561 INFO L225 Difference]: With dead ends: 18429 [2024-11-09 05:44:35,561 INFO L226 Difference]: Without dead ends: 18364 [2024-11-09 05:44:35,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:35,569 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 415 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:35,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 472 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:44:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18364 states. [2024-11-09 05:44:35,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18364 to 10104. [2024-11-09 05:44:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.8553894882708106) internal successors, (38951), 10103 states have internal predecessors, (38951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38951 transitions. [2024-11-09 05:44:35,942 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38951 transitions. Word has length 55 [2024-11-09 05:44:35,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:35,943 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38951 transitions. [2024-11-09 05:44:35,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38951 transitions. [2024-11-09 05:44:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:35,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:35,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:35,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-09 05:44:35,965 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:35,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash -152178458, now seen corresponding path program 65 times [2024-11-09 05:44:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486741607] [2024-11-09 05:44:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:37,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:37,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486741607] [2024-11-09 05:44:37,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486741607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:37,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:37,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:37,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354467478] [2024-11-09 05:44:37,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:37,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:37,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:37,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:37,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:37,457 INFO L87 Difference]: Start difference. First operand 10104 states and 38951 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:39,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:39,416 INFO L93 Difference]: Finished difference Result 18384 states and 68279 transitions. [2024-11-09 05:44:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:39,417 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:39,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:39,497 INFO L225 Difference]: With dead ends: 18384 [2024-11-09 05:44:39,497 INFO L226 Difference]: Without dead ends: 18303 [2024-11-09 05:44:39,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:39,505 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 343 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:39,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 538 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:44:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18303 states. [2024-11-09 05:44:39,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18303 to 10092. [2024-11-09 05:44:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.8568030918640375) internal successors, (38919), 10091 states have internal predecessors, (38919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38919 transitions. [2024-11-09 05:44:39,862 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38919 transitions. Word has length 55 [2024-11-09 05:44:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:39,862 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38919 transitions. [2024-11-09 05:44:39,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38919 transitions. [2024-11-09 05:44:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:39,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:39,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:39,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-09 05:44:39,885 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:39,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1214329336, now seen corresponding path program 66 times [2024-11-09 05:44:39,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:39,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907812401] [2024-11-09 05:44:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:41,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:41,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907812401] [2024-11-09 05:44:41,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907812401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:41,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:41,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:41,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549307217] [2024-11-09 05:44:41,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:41,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:41,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:41,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:41,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:41,558 INFO L87 Difference]: Start difference. First operand 10092 states and 38919 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:44,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:44,042 INFO L93 Difference]: Finished difference Result 18344 states and 68157 transitions. [2024-11-09 05:44:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:44,117 INFO L225 Difference]: With dead ends: 18344 [2024-11-09 05:44:44,117 INFO L226 Difference]: Without dead ends: 18207 [2024-11-09 05:44:44,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:44,125 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 324 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:44,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 542 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:44:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18207 states. [2024-11-09 05:44:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18207 to 10122. [2024-11-09 05:44:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10122 states, 10121 states have (on average 3.8527813457168265) internal successors, (38994), 10121 states have internal predecessors, (38994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10122 states to 10122 states and 38994 transitions. [2024-11-09 05:44:44,459 INFO L78 Accepts]: Start accepts. Automaton has 10122 states and 38994 transitions. Word has length 55 [2024-11-09 05:44:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:44,459 INFO L471 AbstractCegarLoop]: Abstraction has 10122 states and 38994 transitions. [2024-11-09 05:44:44,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 10122 states and 38994 transitions. [2024-11-09 05:44:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:44,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:44,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:44,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-09 05:44:44,479 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:44,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:44,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1629685210, now seen corresponding path program 67 times [2024-11-09 05:44:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023860393] [2024-11-09 05:44:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:45,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023860393] [2024-11-09 05:44:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023860393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:45,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:45,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:45,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933910835] [2024-11-09 05:44:45,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:45,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:45,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:45,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:45,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:45,783 INFO L87 Difference]: Start difference. First operand 10122 states and 38994 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:48,047 INFO L93 Difference]: Finished difference Result 18286 states and 67962 transitions. [2024-11-09 05:44:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:48,048 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:48,140 INFO L225 Difference]: With dead ends: 18286 [2024-11-09 05:44:48,140 INFO L226 Difference]: Without dead ends: 18215 [2024-11-09 05:44:48,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:48,147 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 333 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:48,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 536 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:44:48,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18215 states. [2024-11-09 05:44:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18215 to 10132. [2024-11-09 05:44:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10132 states, 10131 states have (on average 3.851446056657783) internal successors, (39019), 10131 states have internal predecessors, (39019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10132 states to 10132 states and 39019 transitions. [2024-11-09 05:44:48,485 INFO L78 Accepts]: Start accepts. Automaton has 10132 states and 39019 transitions. Word has length 55 [2024-11-09 05:44:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:48,485 INFO L471 AbstractCegarLoop]: Abstraction has 10132 states and 39019 transitions. [2024-11-09 05:44:48,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 10132 states and 39019 transitions. [2024-11-09 05:44:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:48,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:48,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:48,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-09 05:44:48,507 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:48,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:48,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1138365960, now seen corresponding path program 68 times [2024-11-09 05:44:48,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:48,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284758220] [2024-11-09 05:44:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:49,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:49,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284758220] [2024-11-09 05:44:49,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284758220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:49,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:49,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:49,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792218588] [2024-11-09 05:44:49,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:49,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:49,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:49,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:49,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:49,931 INFO L87 Difference]: Start difference. First operand 10132 states and 39019 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:52,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:52,141 INFO L93 Difference]: Finished difference Result 18215 states and 67773 transitions. [2024-11-09 05:44:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:44:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:52,215 INFO L225 Difference]: With dead ends: 18215 [2024-11-09 05:44:52,215 INFO L226 Difference]: Without dead ends: 18058 [2024-11-09 05:44:52,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:44:52,221 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 321 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:52,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 500 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:44:52,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18058 states. [2024-11-09 05:44:52,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18058 to 10044. [2024-11-09 05:44:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10043 states have (on average 3.858906701184905) internal successors, (38755), 10043 states have internal predecessors, (38755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 38755 transitions. [2024-11-09 05:44:52,614 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 38755 transitions. Word has length 55 [2024-11-09 05:44:52,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:52,614 INFO L471 AbstractCegarLoop]: Abstraction has 10044 states and 38755 transitions. [2024-11-09 05:44:52,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 38755 transitions. [2024-11-09 05:44:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:52,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:52,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:52,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-09 05:44:52,648 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:52,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:52,649 INFO L85 PathProgramCache]: Analyzing trace with hash 713791878, now seen corresponding path program 69 times [2024-11-09 05:44:52,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:52,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626414066] [2024-11-09 05:44:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:54,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:54,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626414066] [2024-11-09 05:44:54,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626414066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:54,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:54,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:54,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036712919] [2024-11-09 05:44:54,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:54,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:54,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:54,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:54,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:54,057 INFO L87 Difference]: Start difference. First operand 10044 states and 38755 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:56,080 INFO L93 Difference]: Finished difference Result 18430 states and 68502 transitions. [2024-11-09 05:44:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:56,080 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:56,160 INFO L225 Difference]: With dead ends: 18430 [2024-11-09 05:44:56,160 INFO L226 Difference]: Without dead ends: 18359 [2024-11-09 05:44:56,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:56,167 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 324 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:56,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 557 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:44:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18359 states. [2024-11-09 05:44:56,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18359 to 10120. [2024-11-09 05:44:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10120 states, 10119 states have (on average 3.8571993279968377) internal successors, (39031), 10119 states have internal predecessors, (39031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10120 states to 10120 states and 39031 transitions. [2024-11-09 05:44:56,512 INFO L78 Accepts]: Start accepts. Automaton has 10120 states and 39031 transitions. Word has length 55 [2024-11-09 05:44:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:56,512 INFO L471 AbstractCegarLoop]: Abstraction has 10120 states and 39031 transitions. [2024-11-09 05:44:56,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10120 states and 39031 transitions. [2024-11-09 05:44:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:56,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:56,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:56,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-09 05:44:56,533 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:56,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:56,533 INFO L85 PathProgramCache]: Analyzing trace with hash 719043430, now seen corresponding path program 70 times [2024-11-09 05:44:56,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:56,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210751163] [2024-11-09 05:44:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:57,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:57,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210751163] [2024-11-09 05:44:57,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210751163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:57,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:57,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:44:57,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977107390] [2024-11-09 05:44:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:57,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:44:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:44:57,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:44:57,582 INFO L87 Difference]: Start difference. First operand 10120 states and 39031 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:59,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:59,364 INFO L93 Difference]: Finished difference Result 18424 states and 68477 transitions. [2024-11-09 05:44:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:44:59,365 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:44:59,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:59,433 INFO L225 Difference]: With dead ends: 18424 [2024-11-09 05:44:59,433 INFO L226 Difference]: Without dead ends: 18351 [2024-11-09 05:44:59,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:44:59,440 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 298 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:59,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 572 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:44:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18351 states. [2024-11-09 05:44:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18351 to 10112. [2024-11-09 05:44:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10112 states, 10111 states have (on average 3.8574819503511026) internal successors, (39003), 10111 states have internal predecessors, (39003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 10112 states and 39003 transitions. [2024-11-09 05:44:59,762 INFO L78 Accepts]: Start accepts. Automaton has 10112 states and 39003 transitions. Word has length 55 [2024-11-09 05:44:59,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:59,762 INFO L471 AbstractCegarLoop]: Abstraction has 10112 states and 39003 transitions. [2024-11-09 05:44:59,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 10112 states and 39003 transitions. [2024-11-09 05:44:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:44:59,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:59,787 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:59,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-09 05:44:59,787 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:44:59,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:59,787 INFO L85 PathProgramCache]: Analyzing trace with hash -718596312, now seen corresponding path program 71 times [2024-11-09 05:44:59,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:59,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881011579] [2024-11-09 05:44:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:59,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:01,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881011579] [2024-11-09 05:45:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881011579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171022533] [2024-11-09 05:45:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:01,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:01,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:01,175 INFO L87 Difference]: Start difference. First operand 10112 states and 39003 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:03,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:03,432 INFO L93 Difference]: Finished difference Result 18464 states and 68593 transitions. [2024-11-09 05:45:03,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:03,432 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:03,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:03,515 INFO L225 Difference]: With dead ends: 18464 [2024-11-09 05:45:03,516 INFO L226 Difference]: Without dead ends: 18327 [2024-11-09 05:45:03,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:03,523 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 339 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:03,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 554 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:45:03,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18327 states. [2024-11-09 05:45:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18327 to 10088. [2024-11-09 05:45:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.8579359571725984) internal successors, (38915), 10087 states have internal predecessors, (38915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38915 transitions. [2024-11-09 05:45:04,022 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38915 transitions. Word has length 55 [2024-11-09 05:45:04,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:04,023 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38915 transitions. [2024-11-09 05:45:04,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38915 transitions. [2024-11-09 05:45:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:04,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:04,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:04,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-09 05:45:04,047 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:04,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1859275480, now seen corresponding path program 72 times [2024-11-09 05:45:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:04,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511649667] [2024-11-09 05:45:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:05,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:05,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511649667] [2024-11-09 05:45:05,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511649667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:05,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:05,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:05,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594841421] [2024-11-09 05:45:05,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:05,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:05,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:05,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:05,382 INFO L87 Difference]: Start difference. First operand 10088 states and 38915 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:07,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:07,590 INFO L93 Difference]: Finished difference Result 18584 states and 68886 transitions. [2024-11-09 05:45:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:07,591 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:07,674 INFO L225 Difference]: With dead ends: 18584 [2024-11-09 05:45:07,674 INFO L226 Difference]: Without dead ends: 18513 [2024-11-09 05:45:07,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:07,682 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 417 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:07,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 541 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:45:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18513 states. [2024-11-09 05:45:07,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18513 to 10100. [2024-11-09 05:45:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.8569165263887513) internal successors, (38951), 10099 states have internal predecessors, (38951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38951 transitions. [2024-11-09 05:45:08,050 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38951 transitions. Word has length 55 [2024-11-09 05:45:08,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:08,051 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38951 transitions. [2024-11-09 05:45:08,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38951 transitions. [2024-11-09 05:45:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:08,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:08,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:08,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-09 05:45:08,074 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:08,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:08,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1854023928, now seen corresponding path program 73 times [2024-11-09 05:45:08,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:08,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32185688] [2024-11-09 05:45:08,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:09,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32185688] [2024-11-09 05:45:09,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32185688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:09,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:09,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:09,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958449035] [2024-11-09 05:45:09,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:09,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:09,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:09,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:09,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:09,419 INFO L87 Difference]: Start difference. First operand 10100 states and 38951 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:11,492 INFO L93 Difference]: Finished difference Result 18578 states and 68861 transitions. [2024-11-09 05:45:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:11,572 INFO L225 Difference]: With dead ends: 18578 [2024-11-09 05:45:11,572 INFO L226 Difference]: Without dead ends: 18505 [2024-11-09 05:45:11,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:11,579 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 421 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:11,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 544 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:45:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18505 states. [2024-11-09 05:45:12,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18505 to 10092. [2024-11-09 05:45:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.857595877514617) internal successors, (38927), 10091 states have internal predecessors, (38927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38927 transitions. [2024-11-09 05:45:12,073 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38927 transitions. Word has length 55 [2024-11-09 05:45:12,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:12,074 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38927 transitions. [2024-11-09 05:45:12,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38927 transitions. [2024-11-09 05:45:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:12,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:12,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:12,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-09 05:45:12,096 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:12,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:12,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1431359878, now seen corresponding path program 74 times [2024-11-09 05:45:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:12,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646664787] [2024-11-09 05:45:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:13,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:13,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646664787] [2024-11-09 05:45:13,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646664787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:13,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:13,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:13,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309486782] [2024-11-09 05:45:13,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:13,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:13,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:13,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:13,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:13,564 INFO L87 Difference]: Start difference. First operand 10092 states and 38927 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:15,810 INFO L93 Difference]: Finished difference Result 18489 states and 68627 transitions. [2024-11-09 05:45:15,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:15,811 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:15,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:15,879 INFO L225 Difference]: With dead ends: 18489 [2024-11-09 05:45:15,880 INFO L226 Difference]: Without dead ends: 18418 [2024-11-09 05:45:15,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:15,886 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 321 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:15,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 570 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:45:15,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18418 states. [2024-11-09 05:45:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18418 to 10102. [2024-11-09 05:45:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10102 states, 10101 states have (on average 3.8562518562518564) internal successors, (38952), 10101 states have internal predecessors, (38952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10102 states to 10102 states and 38952 transitions. [2024-11-09 05:45:16,361 INFO L78 Accepts]: Start accepts. Automaton has 10102 states and 38952 transitions. Word has length 55 [2024-11-09 05:45:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:16,361 INFO L471 AbstractCegarLoop]: Abstraction has 10102 states and 38952 transitions. [2024-11-09 05:45:16,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10102 states and 38952 transitions. [2024-11-09 05:45:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:16,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:16,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:16,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-09 05:45:16,383 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:16,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:16,384 INFO L85 PathProgramCache]: Analyzing trace with hash -95556248, now seen corresponding path program 75 times [2024-11-09 05:45:16,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:16,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685277943] [2024-11-09 05:45:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:17,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:17,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685277943] [2024-11-09 05:45:17,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685277943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:17,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:17,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895152707] [2024-11-09 05:45:17,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:17,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:17,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:17,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:17,743 INFO L87 Difference]: Start difference. First operand 10102 states and 38952 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:19,573 INFO L93 Difference]: Finished difference Result 18438 states and 68498 transitions. [2024-11-09 05:45:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:19,573 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:19,653 INFO L225 Difference]: With dead ends: 18438 [2024-11-09 05:45:19,653 INFO L226 Difference]: Without dead ends: 18359 [2024-11-09 05:45:19,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:19,662 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 287 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:19,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 606 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:45:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18359 states. [2024-11-09 05:45:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18359 to 10092. [2024-11-09 05:45:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.857199484689327) internal successors, (38923), 10091 states have internal predecessors, (38923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38923 transitions. [2024-11-09 05:45:20,170 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38923 transitions. Word has length 55 [2024-11-09 05:45:20,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:20,171 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38923 transitions. [2024-11-09 05:45:20,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38923 transitions. [2024-11-09 05:45:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:20,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:20,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:20,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-09 05:45:20,193 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:20,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:20,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1943783578, now seen corresponding path program 76 times [2024-11-09 05:45:20,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:20,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907910703] [2024-11-09 05:45:20,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:20,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:21,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:21,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907910703] [2024-11-09 05:45:21,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907910703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:21,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:21,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:21,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129417750] [2024-11-09 05:45:21,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:21,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:21,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:21,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:21,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:21,571 INFO L87 Difference]: Start difference. First operand 10092 states and 38923 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:23,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:23,756 INFO L93 Difference]: Finished difference Result 18501 states and 68659 transitions. [2024-11-09 05:45:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:23,757 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:23,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:23,834 INFO L225 Difference]: With dead ends: 18501 [2024-11-09 05:45:23,835 INFO L226 Difference]: Without dead ends: 18436 [2024-11-09 05:45:23,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:23,838 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 412 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:23,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 507 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:45:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18436 states. [2024-11-09 05:45:24,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18436 to 10100. [2024-11-09 05:45:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.856124368749381) internal successors, (38943), 10099 states have internal predecessors, (38943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38943 transitions. [2024-11-09 05:45:24,302 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38943 transitions. Word has length 55 [2024-11-09 05:45:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:24,302 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38943 transitions. [2024-11-09 05:45:24,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38943 transitions. [2024-11-09 05:45:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:24,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:24,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:24,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-09 05:45:24,335 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:24,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash 656217928, now seen corresponding path program 77 times [2024-11-09 05:45:24,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:24,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461602403] [2024-11-09 05:45:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:24,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:25,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:25,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461602403] [2024-11-09 05:45:25,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461602403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:25,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:25,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:25,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093294537] [2024-11-09 05:45:25,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:25,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:25,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:25,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:25,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:25,694 INFO L87 Difference]: Start difference. First operand 10100 states and 38943 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:27,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:27,693 INFO L93 Difference]: Finished difference Result 18436 states and 68489 transitions. [2024-11-09 05:45:27,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:27,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:27,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:27,769 INFO L225 Difference]: With dead ends: 18436 [2024-11-09 05:45:27,769 INFO L226 Difference]: Without dead ends: 18355 [2024-11-09 05:45:27,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:27,774 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 327 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:27,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 524 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:45:27,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18355 states. [2024-11-09 05:45:28,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18355 to 10088. [2024-11-09 05:45:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.8575394071577276) internal successors, (38911), 10087 states have internal predecessors, (38911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38911 transitions. [2024-11-09 05:45:28,102 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38911 transitions. Word has length 55 [2024-11-09 05:45:28,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:28,103 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38911 transitions. [2024-11-09 05:45:28,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38911 transitions. [2024-11-09 05:45:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:28,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:28,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:28,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-09 05:45:28,124 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:28,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:28,124 INFO L85 PathProgramCache]: Analyzing trace with hash 793821834, now seen corresponding path program 78 times [2024-11-09 05:45:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:28,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957822893] [2024-11-09 05:45:28,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:28,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:29,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:29,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957822893] [2024-11-09 05:45:29,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957822893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:29,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:29,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:29,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232638752] [2024-11-09 05:45:29,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:29,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:29,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:29,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:29,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:29,455 INFO L87 Difference]: Start difference. First operand 10088 states and 38911 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:31,720 INFO L93 Difference]: Finished difference Result 18557 states and 68835 transitions. [2024-11-09 05:45:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:31,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:31,799 INFO L225 Difference]: With dead ends: 18557 [2024-11-09 05:45:31,799 INFO L226 Difference]: Without dead ends: 18444 [2024-11-09 05:45:31,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:31,806 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 338 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:31,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 585 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:45:31,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18444 states. [2024-11-09 05:45:32,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18444 to 10112. [2024-11-09 05:45:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10112 states, 10111 states have (on average 3.854317080407477) internal successors, (38971), 10111 states have internal predecessors, (38971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 10112 states and 38971 transitions. [2024-11-09 05:45:32,146 INFO L78 Accepts]: Start accepts. Automaton has 10112 states and 38971 transitions. Word has length 55 [2024-11-09 05:45:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:32,147 INFO L471 AbstractCegarLoop]: Abstraction has 10112 states and 38971 transitions. [2024-11-09 05:45:32,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 10112 states and 38971 transitions. [2024-11-09 05:45:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:32,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:32,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:32,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-09 05:45:32,171 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:32,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:32,171 INFO L85 PathProgramCache]: Analyzing trace with hash -536106328, now seen corresponding path program 79 times [2024-11-09 05:45:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:32,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324124250] [2024-11-09 05:45:32,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:33,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:33,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:33,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324124250] [2024-11-09 05:45:33,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324124250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:33,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:33,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800277053] [2024-11-09 05:45:33,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:33,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:33,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:33,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:33,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:33,512 INFO L87 Difference]: Start difference. First operand 10112 states and 38971 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:35,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:35,777 INFO L93 Difference]: Finished difference Result 18521 states and 68707 transitions. [2024-11-09 05:45:35,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:35,777 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:35,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:35,858 INFO L225 Difference]: With dead ends: 18521 [2024-11-09 05:45:35,859 INFO L226 Difference]: Without dead ends: 18456 [2024-11-09 05:45:35,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:35,863 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 366 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:35,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 532 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:45:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18456 states. [2024-11-09 05:45:36,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18456 to 10120. [2024-11-09 05:45:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10120 states, 10119 states have (on average 3.8532463682182034) internal successors, (38991), 10119 states have internal predecessors, (38991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10120 states to 10120 states and 38991 transitions. [2024-11-09 05:45:36,211 INFO L78 Accepts]: Start accepts. Automaton has 10120 states and 38991 transitions. Word has length 55 [2024-11-09 05:45:36,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:36,211 INFO L471 AbstractCegarLoop]: Abstraction has 10120 states and 38991 transitions. [2024-11-09 05:45:36,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 10120 states and 38991 transitions. [2024-11-09 05:45:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:36,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:36,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:36,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-09 05:45:36,234 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:36,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2063895178, now seen corresponding path program 80 times [2024-11-09 05:45:36,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:36,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459473394] [2024-11-09 05:45:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:36,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:37,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:37,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459473394] [2024-11-09 05:45:37,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459473394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:37,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:37,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:37,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336526158] [2024-11-09 05:45:37,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:37,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:37,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:37,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:37,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:37,489 INFO L87 Difference]: Start difference. First operand 10120 states and 38991 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:39,423 INFO L93 Difference]: Finished difference Result 18456 states and 68537 transitions. [2024-11-09 05:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:39,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:39,508 INFO L225 Difference]: With dead ends: 18456 [2024-11-09 05:45:39,508 INFO L226 Difference]: Without dead ends: 18343 [2024-11-09 05:45:39,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:39,515 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 327 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:39,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 537 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:45:39,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18343 states. [2024-11-09 05:45:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18343 to 10076. [2024-11-09 05:45:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10076 states, 10075 states have (on average 3.857766749379653) internal successors, (38867), 10075 states have internal predecessors, (38867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10076 states to 10076 states and 38867 transitions. [2024-11-09 05:45:39,870 INFO L78 Accepts]: Start accepts. Automaton has 10076 states and 38867 transitions. Word has length 55 [2024-11-09 05:45:39,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:39,871 INFO L471 AbstractCegarLoop]: Abstraction has 10076 states and 38867 transitions. [2024-11-09 05:45:39,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 10076 states and 38867 transitions. [2024-11-09 05:45:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:39,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:39,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:39,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-09 05:45:39,894 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:39,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:39,894 INFO L85 PathProgramCache]: Analyzing trace with hash -162030536, now seen corresponding path program 81 times [2024-11-09 05:45:39,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:39,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936059674] [2024-11-09 05:45:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:39,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:41,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936059674] [2024-11-09 05:45:41,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936059674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:41,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:41,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:41,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829475682] [2024-11-09 05:45:41,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:41,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:41,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:41,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:41,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:41,313 INFO L87 Difference]: Start difference. First operand 10076 states and 38867 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:43,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:43,614 INFO L93 Difference]: Finished difference Result 18547 states and 68810 transitions. [2024-11-09 05:45:43,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:43,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:43,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:43,693 INFO L225 Difference]: With dead ends: 18547 [2024-11-09 05:45:43,694 INFO L226 Difference]: Without dead ends: 18476 [2024-11-09 05:45:43,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:43,701 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 323 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:43,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 578 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:45:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18476 states. [2024-11-09 05:45:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18476 to 10096. [2024-11-09 05:45:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.856859831599802) internal successors, (38935), 10095 states have internal predecessors, (38935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38935 transitions. [2024-11-09 05:45:44,110 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38935 transitions. Word has length 55 [2024-11-09 05:45:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:44,110 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38935 transitions. [2024-11-09 05:45:44,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38935 transitions. [2024-11-09 05:45:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:44,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:44,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:44,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-09 05:45:44,132 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:44,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:44,133 INFO L85 PathProgramCache]: Analyzing trace with hash -156778984, now seen corresponding path program 82 times [2024-11-09 05:45:44,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:44,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968740262] [2024-11-09 05:45:44,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:44,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:45,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:45,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968740262] [2024-11-09 05:45:45,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968740262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:45,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:45,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:45,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252147586] [2024-11-09 05:45:45,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:45,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:45,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:45,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:45,382 INFO L87 Difference]: Start difference. First operand 10096 states and 38935 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:47,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:47,430 INFO L93 Difference]: Finished difference Result 18541 states and 68785 transitions. [2024-11-09 05:45:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:47,430 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:47,512 INFO L225 Difference]: With dead ends: 18541 [2024-11-09 05:45:47,512 INFO L226 Difference]: Without dead ends: 18468 [2024-11-09 05:45:47,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:47,519 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 330 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:47,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 571 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:45:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18468 states. [2024-11-09 05:45:47,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18468 to 10088. [2024-11-09 05:45:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.8575394071577276) internal successors, (38911), 10087 states have internal predecessors, (38911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38911 transitions. [2024-11-09 05:45:47,881 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38911 transitions. Word has length 55 [2024-11-09 05:45:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:47,882 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38911 transitions. [2024-11-09 05:45:47,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38911 transitions. [2024-11-09 05:45:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:47,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:47,988 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:47,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-09 05:45:47,988 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:47,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:47,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1166362474, now seen corresponding path program 83 times [2024-11-09 05:45:47,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:47,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365370761] [2024-11-09 05:45:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:47,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:49,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:49,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365370761] [2024-11-09 05:45:49,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365370761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:49,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:49,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:49,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694692445] [2024-11-09 05:45:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:49,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:49,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:49,303 INFO L87 Difference]: Start difference. First operand 10088 states and 38911 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:51,426 INFO L93 Difference]: Finished difference Result 18618 states and 68987 transitions. [2024-11-09 05:45:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:51,427 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:51,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:51,507 INFO L225 Difference]: With dead ends: 18618 [2024-11-09 05:45:51,507 INFO L226 Difference]: Without dead ends: 18547 [2024-11-09 05:45:51,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:51,514 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 391 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:51,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 554 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:45:51,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18547 states. [2024-11-09 05:45:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18547 to 10098. [2024-11-09 05:45:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10098 states, 10097 states have (on average 3.8561949093790235) internal successors, (38936), 10097 states have internal predecessors, (38936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10098 states to 10098 states and 38936 transitions. [2024-11-09 05:45:51,879 INFO L78 Accepts]: Start accepts. Automaton has 10098 states and 38936 transitions. Word has length 55 [2024-11-09 05:45:51,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:51,879 INFO L471 AbstractCegarLoop]: Abstraction has 10098 states and 38936 transitions. [2024-11-09 05:45:51,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 10098 states and 38936 transitions. [2024-11-09 05:45:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:51,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:51,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:51,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-09 05:45:51,902 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:51,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:51,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1601688696, now seen corresponding path program 84 times [2024-11-09 05:45:51,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:51,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677210800] [2024-11-09 05:45:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:53,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:53,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677210800] [2024-11-09 05:45:53,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677210800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:53,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:53,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253661611] [2024-11-09 05:45:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:53,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:53,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:53,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:53,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:53,303 INFO L87 Difference]: Start difference. First operand 10098 states and 38936 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:55,376 INFO L93 Difference]: Finished difference Result 18567 states and 68858 transitions. [2024-11-09 05:45:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:55,376 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:55,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:55,457 INFO L225 Difference]: With dead ends: 18567 [2024-11-09 05:45:55,457 INFO L226 Difference]: Without dead ends: 18488 [2024-11-09 05:45:55,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:55,464 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 333 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:55,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 606 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:45:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18488 states. [2024-11-09 05:45:55,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18488 to 10088. [2024-11-09 05:45:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.857142857142857) internal successors, (38907), 10087 states have internal predecessors, (38907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38907 transitions. [2024-11-09 05:45:55,820 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38907 transitions. Word has length 55 [2024-11-09 05:45:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:55,820 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38907 transitions. [2024-11-09 05:45:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38907 transitions. [2024-11-09 05:45:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:55,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:55,842 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:55,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-09 05:45:55,843 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:55,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash -246538634, now seen corresponding path program 85 times [2024-11-09 05:45:55,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:55,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506099983] [2024-11-09 05:45:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:57,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:57,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506099983] [2024-11-09 05:45:57,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506099983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:57,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:57,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:45:57,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866740959] [2024-11-09 05:45:57,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:57,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:45:57,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:57,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:45:57,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:45:57,215 INFO L87 Difference]: Start difference. First operand 10088 states and 38907 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:59,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:59,137 INFO L93 Difference]: Finished difference Result 18610 states and 68959 transitions. [2024-11-09 05:45:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:45:59,137 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:45:59,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:59,210 INFO L225 Difference]: With dead ends: 18610 [2024-11-09 05:45:59,210 INFO L226 Difference]: Without dead ends: 18545 [2024-11-09 05:45:59,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:59,217 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 401 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:59,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 500 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:45:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18545 states. [2024-11-09 05:45:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18545 to 10096. [2024-11-09 05:45:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.856067360079247) internal successors, (38927), 10095 states have internal predecessors, (38927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38927 transitions. [2024-11-09 05:45:59,542 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38927 transitions. Word has length 55 [2024-11-09 05:45:59,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:59,542 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38927 transitions. [2024-11-09 05:45:59,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38927 transitions. [2024-11-09 05:45:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:45:59,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:59,564 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:59,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-11-09 05:45:59,564 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:45:59,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1941504424, now seen corresponding path program 86 times [2024-11-09 05:45:59,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:59,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225046871] [2024-11-09 05:45:59,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:59,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:01,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:01,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225046871] [2024-11-09 05:46:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225046871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:01,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:01,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646487173] [2024-11-09 05:46:01,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:01,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:01,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:01,224 INFO L87 Difference]: Start difference. First operand 10096 states and 38927 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:03,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:03,237 INFO L93 Difference]: Finished difference Result 18565 states and 68849 transitions. [2024-11-09 05:46:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:03,237 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:03,317 INFO L225 Difference]: With dead ends: 18565 [2024-11-09 05:46:03,317 INFO L226 Difference]: Without dead ends: 18484 [2024-11-09 05:46:03,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:03,324 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 362 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:03,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 499 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:46:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18484 states. [2024-11-09 05:46:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18484 to 10084. [2024-11-09 05:46:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.8574828919964297) internal successors, (38895), 10083 states have internal predecessors, (38895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38895 transitions. [2024-11-09 05:46:03,682 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38895 transitions. Word has length 55 [2024-11-09 05:46:03,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:03,682 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38895 transitions. [2024-11-09 05:46:03,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38895 transitions. [2024-11-09 05:46:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:03,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:03,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:03,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-11-09 05:46:03,705 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:03,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:03,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1791037608, now seen corresponding path program 87 times [2024-11-09 05:46:03,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:03,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771977084] [2024-11-09 05:46:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:04,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771977084] [2024-11-09 05:46:04,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771977084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:04,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:04,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:04,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122249001] [2024-11-09 05:46:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:04,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:04,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:04,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:04,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:04,938 INFO L87 Difference]: Start difference. First operand 10084 states and 38895 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:06,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:06,463 INFO L93 Difference]: Finished difference Result 18440 states and 68507 transitions. [2024-11-09 05:46:06,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:06,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:06,535 INFO L225 Difference]: With dead ends: 18440 [2024-11-09 05:46:06,536 INFO L226 Difference]: Without dead ends: 18369 [2024-11-09 05:46:06,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:06,543 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 314 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:06,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 535 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:46:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18369 states. [2024-11-09 05:46:06,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18369 to 10114. [2024-11-09 05:46:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10114 states, 10113 states have (on average 3.8554336003164242) internal successors, (38990), 10113 states have internal predecessors, (38990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10114 states to 10114 states and 38990 transitions. [2024-11-09 05:46:06,857 INFO L78 Accepts]: Start accepts. Automaton has 10114 states and 38990 transitions. Word has length 55 [2024-11-09 05:46:06,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:06,857 INFO L471 AbstractCegarLoop]: Abstraction has 10114 states and 38990 transitions. [2024-11-09 05:46:06,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 10114 states and 38990 transitions. [2024-11-09 05:46:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:06,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:06,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:06,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-11-09 05:46:06,876 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:06,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash 264121482, now seen corresponding path program 88 times [2024-11-09 05:46:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265285590] [2024-11-09 05:46:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:07,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:07,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265285590] [2024-11-09 05:46:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265285590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:07,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:07,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:07,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556908112] [2024-11-09 05:46:07,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:07,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:07,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:07,924 INFO L87 Difference]: Start difference. First operand 10114 states and 38990 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:09,398 INFO L93 Difference]: Finished difference Result 18438 states and 68492 transitions. [2024-11-09 05:46:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:09,399 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:09,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:09,469 INFO L225 Difference]: With dead ends: 18438 [2024-11-09 05:46:09,469 INFO L226 Difference]: Without dead ends: 18359 [2024-11-09 05:46:09,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:09,477 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 335 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:09,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 512 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:46:09,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18359 states. [2024-11-09 05:46:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18359 to 10104. [2024-11-09 05:46:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.855785410274176) internal successors, (38955), 10103 states have internal predecessors, (38955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38955 transitions. [2024-11-09 05:46:09,812 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38955 transitions. Word has length 55 [2024-11-09 05:46:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:09,813 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38955 transitions. [2024-11-09 05:46:09,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38955 transitions. [2024-11-09 05:46:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:09,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:09,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:09,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-09 05:46:09,835 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:09,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:09,835 INFO L85 PathProgramCache]: Analyzing trace with hash 418559000, now seen corresponding path program 89 times [2024-11-09 05:46:09,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:09,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896936324] [2024-11-09 05:46:09,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:09,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:11,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:11,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896936324] [2024-11-09 05:46:11,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896936324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:11,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:11,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:11,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613984949] [2024-11-09 05:46:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:11,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:11,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:11,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:11,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:11,182 INFO L87 Difference]: Start difference. First operand 10104 states and 38955 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:13,211 INFO L93 Difference]: Finished difference Result 18399 states and 68403 transitions. [2024-11-09 05:46:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:13,211 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:13,286 INFO L225 Difference]: With dead ends: 18399 [2024-11-09 05:46:13,287 INFO L226 Difference]: Without dead ends: 18270 [2024-11-09 05:46:13,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:13,291 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 293 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:13,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 493 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:46:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18270 states. [2024-11-09 05:46:13,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18270 to 10084. [2024-11-09 05:46:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.8566894773380938) internal successors, (38887), 10083 states have internal predecessors, (38887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38887 transitions. [2024-11-09 05:46:13,617 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38887 transitions. Word has length 55 [2024-11-09 05:46:13,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:13,617 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38887 transitions. [2024-11-09 05:46:13,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38887 transitions. [2024-11-09 05:46:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:13,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:13,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:13,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-09 05:46:13,638 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:13,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:13,639 INFO L85 PathProgramCache]: Analyzing trace with hash 246057128, now seen corresponding path program 90 times [2024-11-09 05:46:13,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:13,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087404070] [2024-11-09 05:46:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:13,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:15,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:15,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:15,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087404070] [2024-11-09 05:46:15,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087404070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:15,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:15,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:15,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728937704] [2024-11-09 05:46:15,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:15,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:15,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:15,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:15,050 INFO L87 Difference]: Start difference. First operand 10084 states and 38887 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:17,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:17,099 INFO L93 Difference]: Finished difference Result 18468 states and 68581 transitions. [2024-11-09 05:46:17,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:17,100 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:17,180 INFO L225 Difference]: With dead ends: 18468 [2024-11-09 05:46:17,180 INFO L226 Difference]: Without dead ends: 18403 [2024-11-09 05:46:17,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:17,187 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 305 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:17,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 592 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:46:17,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18403 states. [2024-11-09 05:46:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18403 to 10108. [2024-11-09 05:46:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10108 states, 10107 states have (on average 3.855050954783813) internal successors, (38963), 10107 states have internal predecessors, (38963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 38963 transitions. [2024-11-09 05:46:17,520 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 38963 transitions. Word has length 55 [2024-11-09 05:46:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:17,521 INFO L471 AbstractCegarLoop]: Abstraction has 10108 states and 38963 transitions. [2024-11-09 05:46:17,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 38963 transitions. [2024-11-09 05:46:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:17,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:17,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:17,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-09 05:46:17,542 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:17,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1448908662, now seen corresponding path program 91 times [2024-11-09 05:46:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031117788] [2024-11-09 05:46:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:18,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:18,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031117788] [2024-11-09 05:46:18,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031117788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:18,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:18,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:18,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490176096] [2024-11-09 05:46:18,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:18,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:18,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:18,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:18,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:18,932 INFO L87 Difference]: Start difference. First operand 10108 states and 38963 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:20,812 INFO L93 Difference]: Finished difference Result 18472 states and 68585 transitions. [2024-11-09 05:46:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:20,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:20,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:20,894 INFO L225 Difference]: With dead ends: 18472 [2024-11-09 05:46:20,894 INFO L226 Difference]: Without dead ends: 18395 [2024-11-09 05:46:20,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:20,901 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 317 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:20,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 515 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18395 states. [2024-11-09 05:46:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18395 to 10100. [2024-11-09 05:46:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.855332211110011) internal successors, (38935), 10099 states have internal predecessors, (38935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38935 transitions. [2024-11-09 05:46:21,249 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38935 transitions. Word has length 55 [2024-11-09 05:46:21,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:21,249 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38935 transitions. [2024-11-09 05:46:21,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38935 transitions. [2024-11-09 05:46:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:21,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:21,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:21,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-09 05:46:21,271 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:21,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:21,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2046245320, now seen corresponding path program 92 times [2024-11-09 05:46:21,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:21,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732134833] [2024-11-09 05:46:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:21,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:22,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:22,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732134833] [2024-11-09 05:46:22,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732134833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:22,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:22,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:22,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834763280] [2024-11-09 05:46:22,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:22,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:22,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:22,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:22,648 INFO L87 Difference]: Start difference. First operand 10100 states and 38935 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:24,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:24,571 INFO L93 Difference]: Finished difference Result 18395 states and 68383 transitions. [2024-11-09 05:46:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:24,572 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:24,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:24,653 INFO L225 Difference]: With dead ends: 18395 [2024-11-09 05:46:24,653 INFO L226 Difference]: Without dead ends: 18262 [2024-11-09 05:46:24,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:24,660 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 286 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:24,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 469 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:24,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18262 states. [2024-11-09 05:46:24,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18262 to 10076. [2024-11-09 05:46:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10076 states, 10075 states have (on average 3.8569727047146403) internal successors, (38859), 10075 states have internal predecessors, (38859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10076 states to 10076 states and 38859 transitions. [2024-11-09 05:46:25,016 INFO L78 Accepts]: Start accepts. Automaton has 10076 states and 38859 transitions. Word has length 55 [2024-11-09 05:46:25,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:25,016 INFO L471 AbstractCegarLoop]: Abstraction has 10076 states and 38859 transitions. [2024-11-09 05:46:25,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10076 states and 38859 transitions. [2024-11-09 05:46:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:25,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:25,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:25,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-11-09 05:46:25,039 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:25,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:25,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1115578728, now seen corresponding path program 93 times [2024-11-09 05:46:25,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:25,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399923972] [2024-11-09 05:46:25,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:26,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:26,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:26,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399923972] [2024-11-09 05:46:26,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399923972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:26,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:26,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:26,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443785934] [2024-11-09 05:46:26,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:26,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:26,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:26,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:26,532 INFO L87 Difference]: Start difference. First operand 10076 states and 38859 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:28,503 INFO L93 Difference]: Finished difference Result 18271 states and 67999 transitions. [2024-11-09 05:46:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:28,504 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:28,583 INFO L225 Difference]: With dead ends: 18271 [2024-11-09 05:46:28,583 INFO L226 Difference]: Without dead ends: 18158 [2024-11-09 05:46:28,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:28,591 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 321 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:28,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 492 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18158 states. [2024-11-09 05:46:28,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18158 to 10164. [2024-11-09 05:46:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10164 states, 10163 states have (on average 3.8507330512643905) internal successors, (39135), 10163 states have internal predecessors, (39135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10164 states to 10164 states and 39135 transitions. [2024-11-09 05:46:28,942 INFO L78 Accepts]: Start accepts. Automaton has 10164 states and 39135 transitions. Word has length 55 [2024-11-09 05:46:28,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:28,942 INFO L471 AbstractCegarLoop]: Abstraction has 10164 states and 39135 transitions. [2024-11-09 05:46:28,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 10164 states and 39135 transitions. [2024-11-09 05:46:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:28,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:28,964 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:28,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-09 05:46:28,964 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:28,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1849460406, now seen corresponding path program 94 times [2024-11-09 05:46:28,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:28,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679521323] [2024-11-09 05:46:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:28,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:30,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:30,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679521323] [2024-11-09 05:46:30,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679521323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:30,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:30,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154414307] [2024-11-09 05:46:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:30,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:30,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:30,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:30,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:30,411 INFO L87 Difference]: Start difference. First operand 10164 states and 39135 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:32,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:32,424 INFO L93 Difference]: Finished difference Result 18300 states and 68033 transitions. [2024-11-09 05:46:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:32,425 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:32,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:32,651 INFO L225 Difference]: With dead ends: 18300 [2024-11-09 05:46:32,651 INFO L226 Difference]: Without dead ends: 18235 [2024-11-09 05:46:32,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:32,655 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 342 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:32,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 510 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18235 states. [2024-11-09 05:46:32,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18235 to 10172. [2024-11-09 05:46:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10172 states, 10171 states have (on average 3.8496706321895586) internal successors, (39155), 10171 states have internal predecessors, (39155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10172 states to 10172 states and 39155 transitions. [2024-11-09 05:46:33,013 INFO L78 Accepts]: Start accepts. Automaton has 10172 states and 39155 transitions. Word has length 55 [2024-11-09 05:46:33,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:33,013 INFO L471 AbstractCegarLoop]: Abstraction has 10172 states and 39155 transitions. [2024-11-09 05:46:33,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 10172 states and 39155 transitions. [2024-11-09 05:46:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:33,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:33,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:33,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-09 05:46:33,037 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:33,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash 154494616, now seen corresponding path program 95 times [2024-11-09 05:46:33,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:33,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439576291] [2024-11-09 05:46:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:33,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:34,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:34,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439576291] [2024-11-09 05:46:34,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439576291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:34,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:34,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:34,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262573225] [2024-11-09 05:46:34,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:34,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:34,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:34,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:34,333 INFO L87 Difference]: Start difference. First operand 10172 states and 39155 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:36,367 INFO L93 Difference]: Finished difference Result 18235 states and 67863 transitions. [2024-11-09 05:46:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:36,443 INFO L225 Difference]: With dead ends: 18235 [2024-11-09 05:46:36,443 INFO L226 Difference]: Without dead ends: 18134 [2024-11-09 05:46:36,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:36,447 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 294 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:36,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 500 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18134 states. [2024-11-09 05:46:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18134 to 10140. [2024-11-09 05:46:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10140 states, 10139 states have (on average 3.851563270539501) internal successors, (39051), 10139 states have internal predecessors, (39051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10140 states to 10140 states and 39051 transitions. [2024-11-09 05:46:36,773 INFO L78 Accepts]: Start accepts. Automaton has 10140 states and 39051 transitions. Word has length 55 [2024-11-09 05:46:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:36,773 INFO L471 AbstractCegarLoop]: Abstraction has 10140 states and 39051 transitions. [2024-11-09 05:46:36,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10140 states and 39051 transitions. [2024-11-09 05:46:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:36,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:36,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:36,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-11-09 05:46:36,795 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:36,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash 934378918, now seen corresponding path program 96 times [2024-11-09 05:46:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:36,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026727397] [2024-11-09 05:46:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:38,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026727397] [2024-11-09 05:46:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026727397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:38,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:38,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:38,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675823330] [2024-11-09 05:46:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:38,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:38,125 INFO L87 Difference]: Start difference. First operand 10140 states and 39051 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:40,219 INFO L93 Difference]: Finished difference Result 18239 states and 67875 transitions. [2024-11-09 05:46:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:46:40,220 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:40,300 INFO L225 Difference]: With dead ends: 18239 [2024-11-09 05:46:40,301 INFO L226 Difference]: Without dead ends: 18174 [2024-11-09 05:46:40,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:40,308 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 282 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:40,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 543 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:46:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18174 states. [2024-11-09 05:46:40,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18174 to 10164. [2024-11-09 05:46:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10164 states, 10163 states have (on average 3.8499458821214207) internal successors, (39127), 10163 states have internal predecessors, (39127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10164 states to 10164 states and 39127 transitions. [2024-11-09 05:46:40,656 INFO L78 Accepts]: Start accepts. Automaton has 10164 states and 39127 transitions. Word has length 55 [2024-11-09 05:46:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:40,656 INFO L471 AbstractCegarLoop]: Abstraction has 10164 states and 39127 transitions. [2024-11-09 05:46:40,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10164 states and 39127 transitions. [2024-11-09 05:46:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:40,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:40,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:40,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-11-09 05:46:40,679 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:40,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:40,679 INFO L85 PathProgramCache]: Analyzing trace with hash -760586872, now seen corresponding path program 97 times [2024-11-09 05:46:40,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:40,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022027969] [2024-11-09 05:46:40,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:40,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:42,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:42,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022027969] [2024-11-09 05:46:42,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022027969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:42,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:42,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:42,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127521654] [2024-11-09 05:46:42,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:42,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:42,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:42,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:42,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:42,092 INFO L87 Difference]: Start difference. First operand 10164 states and 39127 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:44,125 INFO L93 Difference]: Finished difference Result 18243 states and 67879 transitions. [2024-11-09 05:46:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:46:44,126 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:44,206 INFO L225 Difference]: With dead ends: 18243 [2024-11-09 05:46:44,206 INFO L226 Difference]: Without dead ends: 18166 [2024-11-09 05:46:44,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:44,213 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 321 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:44,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 468 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:46:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18166 states. [2024-11-09 05:46:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18166 to 10156. [2024-11-09 05:46:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10156 states, 10155 states have (on average 3.8502215657311667) internal successors, (39099), 10155 states have internal predecessors, (39099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10156 states to 10156 states and 39099 transitions. [2024-11-09 05:46:44,563 INFO L78 Accepts]: Start accepts. Automaton has 10156 states and 39099 transitions. Word has length 55 [2024-11-09 05:46:44,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:44,564 INFO L471 AbstractCegarLoop]: Abstraction has 10156 states and 39099 transitions. [2024-11-09 05:46:44,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 10156 states and 39099 transitions. [2024-11-09 05:46:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:44,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:44,586 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:44,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-11-09 05:46:44,586 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:44,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:44,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1357923530, now seen corresponding path program 98 times [2024-11-09 05:46:44,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:44,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201992782] [2024-11-09 05:46:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:44,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:46,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:46,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201992782] [2024-11-09 05:46:46,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201992782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:46,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:46,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558439534] [2024-11-09 05:46:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:46,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:46,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:46,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:46,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:46,014 INFO L87 Difference]: Start difference. First operand 10156 states and 39099 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:48,147 INFO L93 Difference]: Finished difference Result 18166 states and 67677 transitions. [2024-11-09 05:46:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:46:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:48,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:48,230 INFO L225 Difference]: With dead ends: 18166 [2024-11-09 05:46:48,230 INFO L226 Difference]: Without dead ends: 17945 [2024-11-09 05:46:48,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=183, Invalid=369, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:48,238 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 272 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:48,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 514 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:46:48,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17945 states. [2024-11-09 05:46:48,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17945 to 10044. [2024-11-09 05:46:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10043 states have (on average 3.855720402270238) internal successors, (38723), 10043 states have internal predecessors, (38723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 38723 transitions. [2024-11-09 05:46:48,782 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 38723 transitions. Word has length 55 [2024-11-09 05:46:48,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:48,782 INFO L471 AbstractCegarLoop]: Abstraction has 10044 states and 38723 transitions. [2024-11-09 05:46:48,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 38723 transitions. [2024-11-09 05:46:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:48,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:48,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:48,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-11-09 05:46:48,804 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:48,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash -618651258, now seen corresponding path program 99 times [2024-11-09 05:46:48,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:48,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149699241] [2024-11-09 05:46:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:48,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:50,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149699241] [2024-11-09 05:46:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149699241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:50,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:50,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305265232] [2024-11-09 05:46:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:50,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:50,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:50,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:50,179 INFO L87 Difference]: Start difference. First operand 10044 states and 38723 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:52,493 INFO L93 Difference]: Finished difference Result 18657 states and 69119 transitions. [2024-11-09 05:46:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:46:52,494 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:52,611 INFO L225 Difference]: With dead ends: 18657 [2024-11-09 05:46:52,611 INFO L226 Difference]: Without dead ends: 18586 [2024-11-09 05:46:52,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:46:52,622 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 335 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:52,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 621 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:46:52,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18586 states. [2024-11-09 05:46:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18586 to 10112. [2024-11-09 05:46:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10112 states, 10111 states have (on average 3.854317080407477) internal successors, (38971), 10111 states have internal predecessors, (38971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 10112 states and 38971 transitions. [2024-11-09 05:46:53,249 INFO L78 Accepts]: Start accepts. Automaton has 10112 states and 38971 transitions. Word has length 55 [2024-11-09 05:46:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:53,250 INFO L471 AbstractCegarLoop]: Abstraction has 10112 states and 38971 transitions. [2024-11-09 05:46:53,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10112 states and 38971 transitions. [2024-11-09 05:46:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:53,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:53,276 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:53,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-11-09 05:46:53,277 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:53,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash -613399706, now seen corresponding path program 100 times [2024-11-09 05:46:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918069513] [2024-11-09 05:46:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:53,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:54,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:54,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918069513] [2024-11-09 05:46:54,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918069513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:54,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:54,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:54,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359203372] [2024-11-09 05:46:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:54,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:54,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:54,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:54,689 INFO L87 Difference]: Start difference. First operand 10112 states and 38971 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:56,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:56,996 INFO L93 Difference]: Finished difference Result 18586 states and 68932 transitions. [2024-11-09 05:46:56,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:46:56,997 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:46:56,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:57,074 INFO L225 Difference]: With dead ends: 18586 [2024-11-09 05:46:57,074 INFO L226 Difference]: Without dead ends: 18513 [2024-11-09 05:46:57,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:46:57,080 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 342 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:57,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 572 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:46:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18513 states. [2024-11-09 05:46:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18513 to 10104. [2024-11-09 05:46:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10104 states, 10103 states have (on average 3.85459764426408) internal successors, (38943), 10103 states have internal predecessors, (38943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 38943 transitions. [2024-11-09 05:46:57,415 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 38943 transitions. Word has length 55 [2024-11-09 05:46:57,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:57,416 INFO L471 AbstractCegarLoop]: Abstraction has 10104 states and 38943 transitions. [2024-11-09 05:46:57,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 38943 transitions. [2024-11-09 05:46:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:46:57,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:57,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:57,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-11-09 05:46:57,438 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:46:57,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1913080072, now seen corresponding path program 101 times [2024-11-09 05:46:57,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:57,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208178853] [2024-11-09 05:46:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:57,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:58,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:58,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208178853] [2024-11-09 05:46:58,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208178853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:58,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:58,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:46:58,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83276615] [2024-11-09 05:46:58,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:58,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:46:58,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:58,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:46:58,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:46:58,987 INFO L87 Difference]: Start difference. First operand 10104 states and 38943 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:01,382 INFO L93 Difference]: Finished difference Result 18578 states and 68888 transitions. [2024-11-09 05:47:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:47:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:01,459 INFO L225 Difference]: With dead ends: 18578 [2024-11-09 05:47:01,460 INFO L226 Difference]: Without dead ends: 18417 [2024-11-09 05:47:01,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:01,466 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 332 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:01,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 555 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18417 states. [2024-11-09 05:47:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18417 to 10080. [2024-11-09 05:47:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.8550451433673976) internal successors, (38855), 10079 states have internal predecessors, (38855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38855 transitions. [2024-11-09 05:47:01,806 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38855 transitions. Word has length 55 [2024-11-09 05:47:01,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:01,806 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38855 transitions. [2024-11-09 05:47:01,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38855 transitions. [2024-11-09 05:47:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:01,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:01,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:01,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-11-09 05:47:01,828 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:01,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:01,828 INFO L85 PathProgramCache]: Analyzing trace with hash -609781464, now seen corresponding path program 102 times [2024-11-09 05:47:01,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:01,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852608180] [2024-11-09 05:47:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:01,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:03,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:03,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852608180] [2024-11-09 05:47:03,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852608180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:03,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:03,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:03,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281694903] [2024-11-09 05:47:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:03,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:03,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:03,302 INFO L87 Difference]: Start difference. First operand 10080 states and 38855 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:05,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:05,577 INFO L93 Difference]: Finished difference Result 18674 states and 69113 transitions. [2024-11-09 05:47:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:05,578 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:05,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:05,656 INFO L225 Difference]: With dead ends: 18674 [2024-11-09 05:47:05,656 INFO L226 Difference]: Without dead ends: 18603 [2024-11-09 05:47:05,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:05,663 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 384 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:05,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 535 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:05,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2024-11-09 05:47:05,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 10092. [2024-11-09 05:47:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.854028342087008) internal successors, (38891), 10091 states have internal predecessors, (38891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38891 transitions. [2024-11-09 05:47:06,012 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38891 transitions. Word has length 55 [2024-11-09 05:47:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:06,012 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38891 transitions. [2024-11-09 05:47:06,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38891 transitions. [2024-11-09 05:47:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:06,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:06,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:06,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-11-09 05:47:06,035 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:06,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash -604529912, now seen corresponding path program 103 times [2024-11-09 05:47:06,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:06,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264662870] [2024-11-09 05:47:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:06,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:07,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:07,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264662870] [2024-11-09 05:47:07,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264662870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:07,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:07,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:07,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001528616] [2024-11-09 05:47:07,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:07,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:07,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:07,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:07,528 INFO L87 Difference]: Start difference. First operand 10092 states and 38891 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:09,558 INFO L93 Difference]: Finished difference Result 18668 states and 69088 transitions. [2024-11-09 05:47:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:09,558 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:09,637 INFO L225 Difference]: With dead ends: 18668 [2024-11-09 05:47:09,637 INFO L226 Difference]: Without dead ends: 18595 [2024-11-09 05:47:09,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:09,644 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 367 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:09,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 575 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:47:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18595 states. [2024-11-09 05:47:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18595 to 10084. [2024-11-09 05:47:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.8547059406922544) internal successors, (38867), 10083 states have internal predecessors, (38867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38867 transitions. [2024-11-09 05:47:09,953 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38867 transitions. Word has length 55 [2024-11-09 05:47:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:09,953 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38867 transitions. [2024-11-09 05:47:09,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38867 transitions. [2024-11-09 05:47:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:09,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:09,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:09,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-11-09 05:47:09,973 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:09,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1614113402, now seen corresponding path program 104 times [2024-11-09 05:47:09,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:09,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162697901] [2024-11-09 05:47:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:09,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:11,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:11,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162697901] [2024-11-09 05:47:11,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162697901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:11,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:11,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:11,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38294398] [2024-11-09 05:47:11,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:11,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:11,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:11,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:11,162 INFO L87 Difference]: Start difference. First operand 10084 states and 38867 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:13,393 INFO L93 Difference]: Finished difference Result 18674 states and 69111 transitions. [2024-11-09 05:47:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:13,394 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:13,477 INFO L225 Difference]: With dead ends: 18674 [2024-11-09 05:47:13,477 INFO L226 Difference]: Without dead ends: 18603 [2024-11-09 05:47:13,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:13,485 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 382 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:13,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 535 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:47:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2024-11-09 05:47:13,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 10094. [2024-11-09 05:47:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10094 states, 10093 states have (on average 3.8533637174279205) internal successors, (38892), 10093 states have internal predecessors, (38892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10094 states to 10094 states and 38892 transitions. [2024-11-09 05:47:13,896 INFO L78 Accepts]: Start accepts. Automaton has 10094 states and 38892 transitions. Word has length 55 [2024-11-09 05:47:13,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:13,896 INFO L471 AbstractCegarLoop]: Abstraction has 10094 states and 38892 transitions. [2024-11-09 05:47:13,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 10094 states and 38892 transitions. [2024-11-09 05:47:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:13,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:13,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:13,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-11-09 05:47:13,918 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:13,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:13,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1153937768, now seen corresponding path program 105 times [2024-11-09 05:47:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845796833] [2024-11-09 05:47:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:15,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:15,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845796833] [2024-11-09 05:47:15,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845796833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:15,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:15,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:15,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594494943] [2024-11-09 05:47:15,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:15,372 INFO L87 Difference]: Start difference. First operand 10094 states and 38892 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:17,494 INFO L93 Difference]: Finished difference Result 18623 states and 68982 transitions. [2024-11-09 05:47:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:47:17,495 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:17,570 INFO L225 Difference]: With dead ends: 18623 [2024-11-09 05:47:17,571 INFO L226 Difference]: Without dead ends: 18544 [2024-11-09 05:47:17,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:17,578 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 354 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:17,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 548 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18544 states. [2024-11-09 05:47:17,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18544 to 10084. [2024-11-09 05:47:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10084 states, 10083 states have (on average 3.8543092333630864) internal successors, (38863), 10083 states have internal predecessors, (38863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 10084 states and 38863 transitions. [2024-11-09 05:47:17,921 INFO L78 Accepts]: Start accepts. Automaton has 10084 states and 38863 transitions. Word has length 55 [2024-11-09 05:47:17,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:17,922 INFO L471 AbstractCegarLoop]: Abstraction has 10084 states and 38863 transitions. [2024-11-09 05:47:17,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10084 states and 38863 transitions. [2024-11-09 05:47:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:17,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:17,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:17,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-11-09 05:47:17,944 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:17,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:17,944 INFO L85 PathProgramCache]: Analyzing trace with hash -694289562, now seen corresponding path program 106 times [2024-11-09 05:47:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280933370] [2024-11-09 05:47:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:17,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:19,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:19,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280933370] [2024-11-09 05:47:19,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280933370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:19,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:19,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:19,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390420209] [2024-11-09 05:47:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:19,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:19,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:19,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:19,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:19,280 INFO L87 Difference]: Start difference. First operand 10084 states and 38863 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:21,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:21,356 INFO L93 Difference]: Finished difference Result 18573 states and 68833 transitions. [2024-11-09 05:47:21,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:21,357 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:21,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:21,435 INFO L225 Difference]: With dead ends: 18573 [2024-11-09 05:47:21,435 INFO L226 Difference]: Without dead ends: 18508 [2024-11-09 05:47:21,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:21,442 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 374 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:21,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 467 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:47:21,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18508 states. [2024-11-09 05:47:21,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18508 to 10092. [2024-11-09 05:47:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.8532355564364287) internal successors, (38883), 10091 states have internal predecessors, (38883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38883 transitions. [2024-11-09 05:47:21,786 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38883 transitions. Word has length 55 [2024-11-09 05:47:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:21,786 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38883 transitions. [2024-11-09 05:47:21,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38883 transitions. [2024-11-09 05:47:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:21,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:21,806 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:21,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-11-09 05:47:21,807 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:21,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:21,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1905711944, now seen corresponding path program 107 times [2024-11-09 05:47:21,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:21,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901971126] [2024-11-09 05:47:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:23,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:23,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901971126] [2024-11-09 05:47:23,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901971126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:23,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:23,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:23,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63560264] [2024-11-09 05:47:23,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:23,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:23,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:23,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:23,234 INFO L87 Difference]: Start difference. First operand 10092 states and 38883 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:25,256 INFO L93 Difference]: Finished difference Result 18528 states and 68723 transitions. [2024-11-09 05:47:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:47:25,257 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:25,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:25,340 INFO L225 Difference]: With dead ends: 18528 [2024-11-09 05:47:25,340 INFO L226 Difference]: Without dead ends: 18447 [2024-11-09 05:47:25,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:25,348 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 316 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:25,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 551 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:47:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18447 states. [2024-11-09 05:47:25,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18447 to 10080. [2024-11-09 05:47:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.8546482785990674) internal successors, (38851), 10079 states have internal predecessors, (38851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38851 transitions. [2024-11-09 05:47:25,744 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38851 transitions. Word has length 55 [2024-11-09 05:47:25,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:25,744 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38851 transitions. [2024-11-09 05:47:25,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38851 transitions. [2024-11-09 05:47:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:25,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:25,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:25,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-11-09 05:47:25,769 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:25,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash 843561066, now seen corresponding path program 108 times [2024-11-09 05:47:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363561123] [2024-11-09 05:47:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:27,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363561123] [2024-11-09 05:47:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363561123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:27,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:27,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:27,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773266540] [2024-11-09 05:47:27,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:27,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:27,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:27,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:27,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:27,163 INFO L87 Difference]: Start difference. First operand 10080 states and 38851 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:29,235 INFO L93 Difference]: Finished difference Result 18685 states and 69175 transitions. [2024-11-09 05:47:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:29,236 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:29,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:29,313 INFO L225 Difference]: With dead ends: 18685 [2024-11-09 05:47:29,313 INFO L226 Difference]: Without dead ends: 18548 [2024-11-09 05:47:29,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:29,321 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 350 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:29,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 526 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:47:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18548 states. [2024-11-09 05:47:29,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18548 to 10110. [2024-11-09 05:47:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10110 states, 10109 states have (on average 3.8506281531308737) internal successors, (38926), 10109 states have internal predecessors, (38926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10110 states to 10110 states and 38926 transitions. [2024-11-09 05:47:29,798 INFO L78 Accepts]: Start accepts. Automaton has 10110 states and 38926 transitions. Word has length 55 [2024-11-09 05:47:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:29,798 INFO L471 AbstractCegarLoop]: Abstraction has 10110 states and 38926 transitions. [2024-11-09 05:47:29,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 10110 states and 38926 transitions. [2024-11-09 05:47:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:29,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:29,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:29,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-11-09 05:47:29,821 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:29,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:29,823 INFO L85 PathProgramCache]: Analyzing trace with hash 428205192, now seen corresponding path program 109 times [2024-11-09 05:47:29,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:29,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277706353] [2024-11-09 05:47:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:29,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:31,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277706353] [2024-11-09 05:47:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277706353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:31,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529034478] [2024-11-09 05:47:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:31,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:31,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:31,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:31,239 INFO L87 Difference]: Start difference. First operand 10110 states and 38926 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:33,465 INFO L93 Difference]: Finished difference Result 18627 states and 68980 transitions. [2024-11-09 05:47:33,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:33,466 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:33,551 INFO L225 Difference]: With dead ends: 18627 [2024-11-09 05:47:33,551 INFO L226 Difference]: Without dead ends: 18556 [2024-11-09 05:47:33,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:33,558 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 332 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:33,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 562 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18556 states. [2024-11-09 05:47:33,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18556 to 10120. [2024-11-09 05:47:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10120 states, 10119 states have (on average 3.849293408439569) internal successors, (38951), 10119 states have internal predecessors, (38951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10120 states to 10120 states and 38951 transitions. [2024-11-09 05:47:34,037 INFO L78 Accepts]: Start accepts. Automaton has 10120 states and 38951 transitions. Word has length 55 [2024-11-09 05:47:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:34,037 INFO L471 AbstractCegarLoop]: Abstraction has 10120 states and 38951 transitions. [2024-11-09 05:47:34,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 10120 states and 38951 transitions. [2024-11-09 05:47:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:34,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:34,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:34,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-11-09 05:47:34,061 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:34,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1098710934, now seen corresponding path program 110 times [2024-11-09 05:47:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352765923] [2024-11-09 05:47:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:35,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:35,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352765923] [2024-11-09 05:47:35,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352765923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:35,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:35,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:35,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617908458] [2024-11-09 05:47:35,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:35,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:35,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:35,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:35,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:35,450 INFO L87 Difference]: Start difference. First operand 10120 states and 38951 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:37,581 INFO L93 Difference]: Finished difference Result 18556 states and 68791 transitions. [2024-11-09 05:47:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:47:37,582 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:37,662 INFO L225 Difference]: With dead ends: 18556 [2024-11-09 05:47:37,662 INFO L226 Difference]: Without dead ends: 18435 [2024-11-09 05:47:37,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:47:37,668 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 306 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:37,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 570 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18435 states. [2024-11-09 05:47:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18435 to 10068. [2024-11-09 05:47:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 3.8548723552200257) internal successors, (38807), 10067 states have internal predecessors, (38807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 38807 transitions. [2024-11-09 05:47:38,008 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 38807 transitions. Word has length 55 [2024-11-09 05:47:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:38,009 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 38807 transitions. [2024-11-09 05:47:38,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 38807 transitions. [2024-11-09 05:47:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:38,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:38,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:38,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2024-11-09 05:47:38,032 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:38,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:38,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1987940888, now seen corresponding path program 111 times [2024-11-09 05:47:38,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454512792] [2024-11-09 05:47:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:38,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:39,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:39,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454512792] [2024-11-09 05:47:39,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454512792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:39,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:39,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:39,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335379936] [2024-11-09 05:47:39,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:39,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:39,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:39,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:39,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:39,366 INFO L87 Difference]: Start difference. First operand 10068 states and 38807 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:41,894 INFO L93 Difference]: Finished difference Result 18807 states and 69576 transitions. [2024-11-09 05:47:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:47:41,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:41,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:41,976 INFO L225 Difference]: With dead ends: 18807 [2024-11-09 05:47:41,976 INFO L226 Difference]: Without dead ends: 18736 [2024-11-09 05:47:41,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:47:41,983 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 354 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:41,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 554 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:47:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18736 states. [2024-11-09 05:47:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18736 to 10088. [2024-11-09 05:47:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.853970457023892) internal successors, (38875), 10087 states have internal predecessors, (38875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38875 transitions. [2024-11-09 05:47:42,341 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38875 transitions. Word has length 55 [2024-11-09 05:47:42,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:42,341 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38875 transitions. [2024-11-09 05:47:42,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38875 transitions. [2024-11-09 05:47:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:42,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:42,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:42,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2024-11-09 05:47:42,364 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:42,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1993192440, now seen corresponding path program 112 times [2024-11-09 05:47:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934241857] [2024-11-09 05:47:42,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:43,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:43,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934241857] [2024-11-09 05:47:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934241857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:43,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:43,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:43,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161510633] [2024-11-09 05:47:43,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:43,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:43,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:43,763 INFO L87 Difference]: Start difference. First operand 10088 states and 38875 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:46,251 INFO L93 Difference]: Finished difference Result 18849 states and 69695 transitions. [2024-11-09 05:47:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:47:46,252 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:46,332 INFO L225 Difference]: With dead ends: 18849 [2024-11-09 05:47:46,332 INFO L226 Difference]: Without dead ends: 18776 [2024-11-09 05:47:46,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:47:46,340 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 333 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:46,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 614 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:47:46,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18776 states. [2024-11-09 05:47:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18776 to 10080. [2024-11-09 05:47:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.8546482785990674) internal successors, (38851), 10079 states have internal predecessors, (38851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38851 transitions. [2024-11-09 05:47:46,689 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38851 transitions. Word has length 55 [2024-11-09 05:47:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:46,689 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38851 transitions. [2024-11-09 05:47:46,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38851 transitions. [2024-11-09 05:47:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:46,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:46,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:46,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2024-11-09 05:47:46,711 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:46,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash 983608950, now seen corresponding path program 113 times [2024-11-09 05:47:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:46,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098383352] [2024-11-09 05:47:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:48,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098383352] [2024-11-09 05:47:48,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098383352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:48,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:48,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285873171] [2024-11-09 05:47:48,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:48,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:48,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:48,090 INFO L87 Difference]: Start difference. First operand 10080 states and 38851 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:50,350 INFO L93 Difference]: Finished difference Result 18806 states and 69525 transitions. [2024-11-09 05:47:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:47:50,351 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:50,432 INFO L225 Difference]: With dead ends: 18806 [2024-11-09 05:47:50,432 INFO L226 Difference]: Without dead ends: 18735 [2024-11-09 05:47:50,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:50,440 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 381 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:50,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 538 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:47:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18735 states. [2024-11-09 05:47:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18735 to 10090. [2024-11-09 05:47:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10090 states, 10089 states have (on average 3.8533055803350185) internal successors, (38876), 10089 states have internal predecessors, (38876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10090 states to 10090 states and 38876 transitions. [2024-11-09 05:47:50,789 INFO L78 Accepts]: Start accepts. Automaton has 10090 states and 38876 transitions. Word has length 55 [2024-11-09 05:47:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:50,790 INFO L471 AbstractCegarLoop]: Abstraction has 10090 states and 38876 transitions. [2024-11-09 05:47:50,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 10090 states and 38876 transitions. [2024-11-09 05:47:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:50,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:50,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:50,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2024-11-09 05:47:50,812 INFO L396 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:50,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash -543307176, now seen corresponding path program 114 times [2024-11-09 05:47:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865122378] [2024-11-09 05:47:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:52,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:52,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865122378] [2024-11-09 05:47:52,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865122378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:52,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:52,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:52,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963063458] [2024-11-09 05:47:52,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:52,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:52,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:52,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:52,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:52,361 INFO L87 Difference]: Start difference. First operand 10090 states and 38876 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:54,778 INFO L93 Difference]: Finished difference Result 18755 states and 69396 transitions. [2024-11-09 05:47:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:47:54,778 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:54,855 INFO L225 Difference]: With dead ends: 18755 [2024-11-09 05:47:54,855 INFO L226 Difference]: Without dead ends: 18676 [2024-11-09 05:47:54,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:47:54,860 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 342 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:54,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 534 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:47:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18676 states. [2024-11-09 05:47:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18676 to 10080. [2024-11-09 05:47:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 10079 states have (on average 3.8542514138307373) internal successors, (38847), 10079 states have internal predecessors, (38847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 38847 transitions. [2024-11-09 05:47:55,191 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 38847 transitions. Word has length 55 [2024-11-09 05:47:55,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:55,192 INFO L471 AbstractCegarLoop]: Abstraction has 10080 states and 38847 transitions. [2024-11-09 05:47:55,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 38847 transitions. [2024-11-09 05:47:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:55,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:55,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:55,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2024-11-09 05:47:55,213 INFO L396 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:55,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1903432790, now seen corresponding path program 115 times [2024-11-09 05:47:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516302020] [2024-11-09 05:47:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:56,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516302020] [2024-11-09 05:47:56,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516302020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:56,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:56,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:47:56,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111442099] [2024-11-09 05:47:56,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:56,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:56,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:56,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:56,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:56,439 INFO L87 Difference]: Start difference. First operand 10080 states and 38847 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:58,786 INFO L93 Difference]: Finished difference Result 18798 states and 69497 transitions. [2024-11-09 05:47:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:47:58,787 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:47:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:58,867 INFO L225 Difference]: With dead ends: 18798 [2024-11-09 05:47:58,867 INFO L226 Difference]: Without dead ends: 18733 [2024-11-09 05:47:58,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:58,874 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 348 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:58,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 561 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:47:58,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18733 states. [2024-11-09 05:47:59,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18733 to 10088. [2024-11-09 05:47:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10088 states, 10087 states have (on average 3.8531773569941508) internal successors, (38867), 10087 states have internal predecessors, (38867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 10088 states and 38867 transitions. [2024-11-09 05:47:59,203 INFO L78 Accepts]: Start accepts. Automaton has 10088 states and 38867 transitions. Word has length 55 [2024-11-09 05:47:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:59,204 INFO L471 AbstractCegarLoop]: Abstraction has 10088 states and 38867 transitions. [2024-11-09 05:47:59,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 10088 states and 38867 transitions. [2024-11-09 05:47:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:47:59,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:59,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:59,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2024-11-09 05:47:59,223 INFO L396 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:47:59,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash 208467000, now seen corresponding path program 116 times [2024-11-09 05:47:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:59,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430675562] [2024-11-09 05:47:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:00,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:00,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430675562] [2024-11-09 05:48:00,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430675562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:00,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:00,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:00,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594292502] [2024-11-09 05:48:00,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:00,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:00,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:00,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:00,594 INFO L87 Difference]: Start difference. First operand 10088 states and 38867 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:02,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:02,613 INFO L93 Difference]: Finished difference Result 18753 states and 69387 transitions. [2024-11-09 05:48:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:48:02,614 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:02,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:02,695 INFO L225 Difference]: With dead ends: 18753 [2024-11-09 05:48:02,695 INFO L226 Difference]: Without dead ends: 18672 [2024-11-09 05:48:02,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:02,702 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 336 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:02,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 529 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:02,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18672 states. [2024-11-09 05:48:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18672 to 10076. [2024-11-09 05:48:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10076 states, 10075 states have (on average 3.854590570719603) internal successors, (38835), 10075 states have internal predecessors, (38835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10076 states to 10076 states and 38835 transitions. [2024-11-09 05:48:03,053 INFO L78 Accepts]: Start accepts. Automaton has 10076 states and 38835 transitions. Word has length 55 [2024-11-09 05:48:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:03,054 INFO L471 AbstractCegarLoop]: Abstraction has 10076 states and 38835 transitions. [2024-11-09 05:48:03,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10076 states and 38835 transitions. [2024-11-09 05:48:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:03,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:03,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:03,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2024-11-09 05:48:03,076 INFO L396 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:03,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash -353958264, now seen corresponding path program 117 times [2024-11-09 05:48:03,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:03,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887780097] [2024-11-09 05:48:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:03,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:04,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:04,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887780097] [2024-11-09 05:48:04,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887780097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:04,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:04,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13816554] [2024-11-09 05:48:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:04,733 INFO L87 Difference]: Start difference. First operand 10076 states and 38835 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:06,937 INFO L93 Difference]: Finished difference Result 18781 states and 69485 transitions. [2024-11-09 05:48:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:48:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:07,020 INFO L225 Difference]: With dead ends: 18781 [2024-11-09 05:48:07,020 INFO L226 Difference]: Without dead ends: 18710 [2024-11-09 05:48:07,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:07,024 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 353 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:07,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 535 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:48:07,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18710 states. [2024-11-09 05:48:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18710 to 10106. [2024-11-09 05:48:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10106 states, 10105 states have (on average 3.85254824344384) internal successors, (38930), 10105 states have internal predecessors, (38930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10106 states to 10106 states and 38930 transitions. [2024-11-09 05:48:07,368 INFO L78 Accepts]: Start accepts. Automaton has 10106 states and 38930 transitions. Word has length 55 [2024-11-09 05:48:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:07,368 INFO L471 AbstractCegarLoop]: Abstraction has 10106 states and 38930 transitions. [2024-11-09 05:48:07,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 10106 states and 38930 transitions. [2024-11-09 05:48:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:07,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:07,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:07,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2024-11-09 05:48:07,391 INFO L396 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:07,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:07,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1880874390, now seen corresponding path program 118 times [2024-11-09 05:48:07,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:07,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588625766] [2024-11-09 05:48:07,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:07,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:08,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:08,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588625766] [2024-11-09 05:48:08,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588625766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:08,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:08,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916868951] [2024-11-09 05:48:08,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:08,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:08,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:08,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:08,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:08,681 INFO L87 Difference]: Start difference. First operand 10106 states and 38930 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:10,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:10,855 INFO L93 Difference]: Finished difference Result 18779 states and 69470 transitions. [2024-11-09 05:48:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:48:10,855 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:10,942 INFO L225 Difference]: With dead ends: 18779 [2024-11-09 05:48:10,943 INFO L226 Difference]: Without dead ends: 18700 [2024-11-09 05:48:10,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:10,950 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 313 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:10,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 598 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:48:10,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18700 states. [2024-11-09 05:48:11,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18700 to 10096. [2024-11-09 05:48:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10096 states, 10095 states have (on average 3.8528974739970283) internal successors, (38895), 10095 states have internal predecessors, (38895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 10096 states and 38895 transitions. [2024-11-09 05:48:11,278 INFO L78 Accepts]: Start accepts. Automaton has 10096 states and 38895 transitions. Word has length 55 [2024-11-09 05:48:11,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:11,279 INFO L471 AbstractCegarLoop]: Abstraction has 10096 states and 38895 transitions. [2024-11-09 05:48:11,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 10096 states and 38895 transitions. [2024-11-09 05:48:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:11,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:11,299 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:11,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2024-11-09 05:48:11,299 INFO L396 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:11,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:11,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1726436872, now seen corresponding path program 119 times [2024-11-09 05:48:11,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:11,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900254285] [2024-11-09 05:48:11,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:11,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:12,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:12,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900254285] [2024-11-09 05:48:12,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900254285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:12,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:12,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:12,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303275320] [2024-11-09 05:48:12,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:12,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:12,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:12,445 INFO L87 Difference]: Start difference. First operand 10096 states and 38895 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:14,508 INFO L93 Difference]: Finished difference Result 18740 states and 69381 transitions. [2024-11-09 05:48:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:48:14,509 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:14,590 INFO L225 Difference]: With dead ends: 18740 [2024-11-09 05:48:14,591 INFO L226 Difference]: Without dead ends: 18611 [2024-11-09 05:48:14,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:14,598 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 306 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:14,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 546 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:14,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18611 states. [2024-11-09 05:48:14,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18611 to 10076. [2024-11-09 05:48:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10076 states, 10075 states have (on average 3.8537965260545906) internal successors, (38827), 10075 states have internal predecessors, (38827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10076 states to 10076 states and 38827 transitions. [2024-11-09 05:48:15,017 INFO L78 Accepts]: Start accepts. Automaton has 10076 states and 38827 transitions. Word has length 55 [2024-11-09 05:48:15,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:15,018 INFO L471 AbstractCegarLoop]: Abstraction has 10076 states and 38827 transitions. [2024-11-09 05:48:15,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 10076 states and 38827 transitions. [2024-11-09 05:48:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:15,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:15,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:15,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2024-11-09 05:48:15,038 INFO L396 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:15,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:15,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1898938744, now seen corresponding path program 120 times [2024-11-09 05:48:15,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:15,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699032535] [2024-11-09 05:48:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:15,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:16,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699032535] [2024-11-09 05:48:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699032535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:16,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:16,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:16,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638403396] [2024-11-09 05:48:16,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:16,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:16,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:16,472 INFO L87 Difference]: Start difference. First operand 10076 states and 38827 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:18,585 INFO L93 Difference]: Finished difference Result 18668 states and 69157 transitions. [2024-11-09 05:48:18,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:48:18,585 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:18,671 INFO L225 Difference]: With dead ends: 18668 [2024-11-09 05:48:18,671 INFO L226 Difference]: Without dead ends: 18603 [2024-11-09 05:48:18,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=248, Invalid=508, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:48:18,678 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 323 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:18,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 529 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2024-11-09 05:48:19,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 10100. [2024-11-09 05:48:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10100 states, 10099 states have (on average 3.85216358055253) internal successors, (38903), 10099 states have internal predecessors, (38903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 10100 states and 38903 transitions. [2024-11-09 05:48:19,205 INFO L78 Accepts]: Start accepts. Automaton has 10100 states and 38903 transitions. Word has length 55 [2024-11-09 05:48:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:19,206 INFO L471 AbstractCegarLoop]: Abstraction has 10100 states and 38903 transitions. [2024-11-09 05:48:19,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 10100 states and 38903 transitions. [2024-11-09 05:48:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:19,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:19,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:19,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2024-11-09 05:48:19,228 INFO L396 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:19,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:19,230 INFO L85 PathProgramCache]: Analyzing trace with hash 701062762, now seen corresponding path program 121 times [2024-11-09 05:48:19,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:19,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649874778] [2024-11-09 05:48:19,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:19,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:20,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649874778] [2024-11-09 05:48:20,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649874778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:20,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:20,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214535898] [2024-11-09 05:48:20,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:20,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:20,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:20,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:20,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:20,512 INFO L87 Difference]: Start difference. First operand 10100 states and 38903 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:22,602 INFO L93 Difference]: Finished difference Result 18624 states and 69017 transitions. [2024-11-09 05:48:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:48:22,603 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:22,724 INFO L225 Difference]: With dead ends: 18624 [2024-11-09 05:48:22,724 INFO L226 Difference]: Without dead ends: 18547 [2024-11-09 05:48:22,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:48:22,731 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 336 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:22,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 514 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:22,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18547 states. [2024-11-09 05:48:23,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18547 to 10092. [2024-11-09 05:48:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 3.852442770785849) internal successors, (38875), 10091 states have internal predecessors, (38875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 38875 transitions. [2024-11-09 05:48:23,170 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 38875 transitions. Word has length 55 [2024-11-09 05:48:23,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:23,170 INFO L471 AbstractCegarLoop]: Abstraction has 10092 states and 38875 transitions. [2024-11-09 05:48:23,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 38875 transitions. [2024-11-09 05:48:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:23,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:23,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:23,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2024-11-09 05:48:23,267 INFO L396 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:23,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:23,268 INFO L85 PathProgramCache]: Analyzing trace with hash 103726104, now seen corresponding path program 122 times [2024-11-09 05:48:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:23,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094976019] [2024-11-09 05:48:23,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094976019] [2024-11-09 05:48:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094976019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:24,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:24,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50844351] [2024-11-09 05:48:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:24,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:24,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:24,574 INFO L87 Difference]: Start difference. First operand 10092 states and 38875 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,600 INFO L93 Difference]: Finished difference Result 18587 states and 68935 transitions. [2024-11-09 05:48:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:48:26,601 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:26,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,680 INFO L225 Difference]: With dead ends: 18587 [2024-11-09 05:48:26,680 INFO L226 Difference]: Without dead ends: 18454 [2024-11-09 05:48:26,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=232, Invalid=470, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:48:26,687 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 326 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 502 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:48:26,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18454 states. [2024-11-09 05:48:26,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18454 to 10068. [2024-11-09 05:48:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 3.854077679547035) internal successors, (38799), 10067 states have internal predecessors, (38799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 38799 transitions. [2024-11-09 05:48:27,063 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 38799 transitions. Word has length 55 [2024-11-09 05:48:27,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:27,064 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 38799 transitions. [2024-11-09 05:48:27,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 38799 transitions. [2024-11-09 05:48:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:27,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:27,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:27,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2024-11-09 05:48:27,091 INFO L396 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:27,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:27,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1966316904, now seen corresponding path program 123 times [2024-11-09 05:48:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:27,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505277893] [2024-11-09 05:48:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:27,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:28,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:28,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505277893] [2024-11-09 05:48:28,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505277893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:28,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:28,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:28,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922348199] [2024-11-09 05:48:28,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:28,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:28,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:28,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:28,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:28,583 INFO L87 Difference]: Start difference. First operand 10068 states and 38799 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:30,421 INFO L93 Difference]: Finished difference Result 18369 states and 68250 transitions. [2024-11-09 05:48:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:30,422 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:30,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:30,504 INFO L225 Difference]: With dead ends: 18369 [2024-11-09 05:48:30,504 INFO L226 Difference]: Without dead ends: 18232 [2024-11-09 05:48:30,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:30,511 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 299 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:30,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 485 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:48:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18232 states. [2024-11-09 05:48:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18232 to 10158. [2024-11-09 05:48:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10158 states, 10157 states have (on average 3.8479866102195532) internal successors, (39084), 10157 states have internal predecessors, (39084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10158 states to 10158 states and 39084 transitions. [2024-11-09 05:48:30,866 INFO L78 Accepts]: Start accepts. Automaton has 10158 states and 39084 transitions. Word has length 55 [2024-11-09 05:48:30,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:30,867 INFO L471 AbstractCegarLoop]: Abstraction has 10158 states and 39084 transitions. [2024-11-09 05:48:30,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10158 states and 39084 transitions. [2024-11-09 05:48:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:30,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:30,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:30,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2024-11-09 05:48:30,889 INFO L396 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:30,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1913294518, now seen corresponding path program 124 times [2024-11-09 05:48:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:30,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713601269] [2024-11-09 05:48:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:32,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:32,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713601269] [2024-11-09 05:48:32,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713601269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:32,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:32,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:32,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873480278] [2024-11-09 05:48:32,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:32,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:32,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:32,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:32,461 INFO L87 Difference]: Start difference. First operand 10158 states and 39084 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:34,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:34,541 INFO L93 Difference]: Finished difference Result 18382 states and 68234 transitions. [2024-11-09 05:48:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:34,542 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:34,628 INFO L225 Difference]: With dead ends: 18382 [2024-11-09 05:48:34,628 INFO L226 Difference]: Without dead ends: 18311 [2024-11-09 05:48:34,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:34,636 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 321 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:34,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 518 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18311 states. [2024-11-09 05:48:34,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18311 to 10168. [2024-11-09 05:48:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10168 states, 10167 states have (on average 3.8466607652208125) internal successors, (39109), 10167 states have internal predecessors, (39109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10168 states to 10168 states and 39109 transitions. [2024-11-09 05:48:34,998 INFO L78 Accepts]: Start accepts. Automaton has 10168 states and 39109 transitions. Word has length 55 [2024-11-09 05:48:34,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:34,998 INFO L471 AbstractCegarLoop]: Abstraction has 10168 states and 39109 transitions. [2024-11-09 05:48:34,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10168 states and 39109 transitions. [2024-11-09 05:48:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:35,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:35,021 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:35,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2024-11-09 05:48:35,021 INFO L396 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:35,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:35,021 INFO L85 PathProgramCache]: Analyzing trace with hash 386378392, now seen corresponding path program 125 times [2024-11-09 05:48:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:35,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057090471] [2024-11-09 05:48:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:36,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:36,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057090471] [2024-11-09 05:48:36,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057090471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:36,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:36,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:36,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254627857] [2024-11-09 05:48:36,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:36,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:36,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:36,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:36,578 INFO L87 Difference]: Start difference. First operand 10168 states and 39109 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:38,565 INFO L93 Difference]: Finished difference Result 18311 states and 68045 transitions. [2024-11-09 05:48:38,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:38,566 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:38,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:38,647 INFO L225 Difference]: With dead ends: 18311 [2024-11-09 05:48:38,647 INFO L226 Difference]: Without dead ends: 18202 [2024-11-09 05:48:38,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=194, Invalid=406, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:38,654 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 290 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:38,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 555 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:48:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18202 states. [2024-11-09 05:48:38,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18202 to 10128. [2024-11-09 05:48:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10128 states, 10127 states have (on average 3.8490174780290314) internal successors, (38979), 10127 states have internal predecessors, (38979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10128 states to 10128 states and 38979 transitions. [2024-11-09 05:48:39,060 INFO L78 Accepts]: Start accepts. Automaton has 10128 states and 38979 transitions. Word has length 55 [2024-11-09 05:48:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:39,061 INFO L471 AbstractCegarLoop]: Abstraction has 10128 states and 38979 transitions. [2024-11-09 05:48:39,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 10128 states and 38979 transitions. [2024-11-09 05:48:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:39,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:39,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:39,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2024-11-09 05:48:39,084 INFO L396 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:39,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1466591290, now seen corresponding path program 126 times [2024-11-09 05:48:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:39,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061395641] [2024-11-09 05:48:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:39,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:40,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:40,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061395641] [2024-11-09 05:48:40,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061395641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:40,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:40,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:40,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760796592] [2024-11-09 05:48:40,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:40,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:40,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:40,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:40,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:40,402 INFO L87 Difference]: Start difference. First operand 10128 states and 38979 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:42,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:42,424 INFO L93 Difference]: Finished difference Result 18311 states and 68045 transitions. [2024-11-09 05:48:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:42,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:42,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:42,506 INFO L225 Difference]: With dead ends: 18311 [2024-11-09 05:48:42,506 INFO L226 Difference]: Without dead ends: 18240 [2024-11-09 05:48:42,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:42,516 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 299 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:42,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 505 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:42,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18240 states. [2024-11-09 05:48:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18240 to 10158. [2024-11-09 05:48:42,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10158 states, 10157 states have (on average 3.847002067539628) internal successors, (39074), 10157 states have internal predecessors, (39074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10158 states to 10158 states and 39074 transitions. [2024-11-09 05:48:42,962 INFO L78 Accepts]: Start accepts. Automaton has 10158 states and 39074 transitions. Word has length 55 [2024-11-09 05:48:42,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:42,963 INFO L471 AbstractCegarLoop]: Abstraction has 10158 states and 39074 transitions. [2024-11-09 05:48:42,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 10158 states and 39074 transitions. [2024-11-09 05:48:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:42,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:42,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:42,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2024-11-09 05:48:42,986 INFO L396 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:42,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:42,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1301459880, now seen corresponding path program 127 times [2024-11-09 05:48:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:42,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412072791] [2024-11-09 05:48:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:42,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:44,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:44,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412072791] [2024-11-09 05:48:44,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412072791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:44,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:44,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:44,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419412581] [2024-11-09 05:48:44,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:44,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:44,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:44,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:44,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:44,373 INFO L87 Difference]: Start difference. First operand 10158 states and 39074 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:46,290 INFO L93 Difference]: Finished difference Result 18309 states and 68030 transitions. [2024-11-09 05:48:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:46,290 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:46,374 INFO L225 Difference]: With dead ends: 18309 [2024-11-09 05:48:46,374 INFO L226 Difference]: Without dead ends: 18230 [2024-11-09 05:48:46,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:46,382 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 284 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:46,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 491 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:48:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18230 states. [2024-11-09 05:48:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18230 to 10148. [2024-11-09 05:48:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10148 states, 10147 states have (on average 3.84734404257416) internal successors, (39039), 10147 states have internal predecessors, (39039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10148 states to 10148 states and 39039 transitions. [2024-11-09 05:48:46,746 INFO L78 Accepts]: Start accepts. Automaton has 10148 states and 39039 transitions. Word has length 55 [2024-11-09 05:48:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:46,747 INFO L471 AbstractCegarLoop]: Abstraction has 10148 states and 39039 transitions. [2024-11-09 05:48:46,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 10148 states and 39039 transitions. [2024-11-09 05:48:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:46,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:46,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:46,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2024-11-09 05:48:46,770 INFO L396 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:46,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:46,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1455897398, now seen corresponding path program 128 times [2024-11-09 05:48:46,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:46,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37125274] [2024-11-09 05:48:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:46,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:48,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:48,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37125274] [2024-11-09 05:48:48,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37125274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:48,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:48,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:48,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404463182] [2024-11-09 05:48:48,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:48,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:48,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:48,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:48,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:48,095 INFO L87 Difference]: Start difference. First operand 10148 states and 39039 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:50,005 INFO L93 Difference]: Finished difference Result 18230 states and 67821 transitions. [2024-11-09 05:48:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:48:50,006 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:50,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:50,083 INFO L225 Difference]: With dead ends: 18230 [2024-11-09 05:48:50,083 INFO L226 Difference]: Without dead ends: 17849 [2024-11-09 05:48:50,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=401, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:48:50,090 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 284 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:50,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 437 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:48:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17849 states. [2024-11-09 05:48:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17849 to 9876. [2024-11-09 05:48:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9876 states, 9875 states have (on average 3.8637974683544303) internal successors, (38155), 9875 states have internal predecessors, (38155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9876 states to 9876 states and 38155 transitions. [2024-11-09 05:48:50,416 INFO L78 Accepts]: Start accepts. Automaton has 9876 states and 38155 transitions. Word has length 55 [2024-11-09 05:48:50,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:50,417 INFO L471 AbstractCegarLoop]: Abstraction has 9876 states and 38155 transitions. [2024-11-09 05:48:50,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 9876 states and 38155 transitions. [2024-11-09 05:48:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:50,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:50,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:50,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2024-11-09 05:48:50,439 INFO L396 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:50,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:50,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1374876726, now seen corresponding path program 129 times [2024-11-09 05:48:50,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791249428] [2024-11-09 05:48:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:51,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:51,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791249428] [2024-11-09 05:48:51,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791249428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:51,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:51,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:51,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372846031] [2024-11-09 05:48:51,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:51,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:51,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:51,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:51,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:51,726 INFO L87 Difference]: Start difference. First operand 9876 states and 38155 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:53,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:53,864 INFO L93 Difference]: Finished difference Result 19064 states and 70503 transitions. [2024-11-09 05:48:53,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:48:53,864 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:53,943 INFO L225 Difference]: With dead ends: 19064 [2024-11-09 05:48:53,943 INFO L226 Difference]: Without dead ends: 18951 [2024-11-09 05:48:53,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:48:53,950 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 369 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:53,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 581 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18951 states. [2024-11-09 05:48:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18951 to 10048. [2024-11-09 05:48:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.852592813775256) internal successors, (38707), 10047 states have internal predecessors, (38707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38707 transitions. [2024-11-09 05:48:54,303 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38707 transitions. Word has length 55 [2024-11-09 05:48:54,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:54,303 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38707 transitions. [2024-11-09 05:48:54,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38707 transitions. [2024-11-09 05:48:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:54,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:54,325 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:54,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2024-11-09 05:48:54,325 INFO L396 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:54,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1986116554, now seen corresponding path program 130 times [2024-11-09 05:48:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975005634] [2024-11-09 05:48:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:55,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:55,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975005634] [2024-11-09 05:48:55,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975005634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:55,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:55,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:55,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968704122] [2024-11-09 05:48:55,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:55,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:55,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:55,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:55,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:55,836 INFO L87 Difference]: Start difference. First operand 10048 states and 38707 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:57,915 INFO L93 Difference]: Finished difference Result 19093 states and 70537 transitions. [2024-11-09 05:48:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:48:57,915 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:48:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:58,003 INFO L225 Difference]: With dead ends: 19093 [2024-11-09 05:48:58,003 INFO L226 Difference]: Without dead ends: 19028 [2024-11-09 05:48:58,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:48:58,010 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 364 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:58,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 612 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:48:58,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19028 states. [2024-11-09 05:48:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19028 to 10056. [2024-11-09 05:48:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 10055 states have (on average 3.851516658378916) internal successors, (38727), 10055 states have internal predecessors, (38727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 38727 transitions. [2024-11-09 05:48:58,375 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 38727 transitions. Word has length 55 [2024-11-09 05:48:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:58,376 INFO L471 AbstractCegarLoop]: Abstraction has 10056 states and 38727 transitions. [2024-11-09 05:48:58,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 38727 transitions. [2024-11-09 05:48:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:48:58,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:58,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:58,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2024-11-09 05:48:58,398 INFO L396 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:48:58,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:58,399 INFO L85 PathProgramCache]: Analyzing trace with hash -101130220, now seen corresponding path program 131 times [2024-11-09 05:48:58,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:58,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021510335] [2024-11-09 05:48:58,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:58,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:59,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:59,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021510335] [2024-11-09 05:48:59,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021510335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:59,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:59,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:48:59,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440027348] [2024-11-09 05:48:59,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:59,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:59,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:59,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:59,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:48:59,748 INFO L87 Difference]: Start difference. First operand 10056 states and 38727 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:01,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:01,789 INFO L93 Difference]: Finished difference Result 19028 states and 70367 transitions. [2024-11-09 05:49:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:01,790 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:01,877 INFO L225 Difference]: With dead ends: 19028 [2024-11-09 05:49:01,877 INFO L226 Difference]: Without dead ends: 18927 [2024-11-09 05:49:01,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:01,885 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 307 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:01,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 617 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18927 states. [2024-11-09 05:49:02,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18927 to 10024. [2024-11-09 05:49:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.853437094682231) internal successors, (38623), 10023 states have internal predecessors, (38623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38623 transitions. [2024-11-09 05:49:02,379 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38623 transitions. Word has length 55 [2024-11-09 05:49:02,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:02,379 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38623 transitions. [2024-11-09 05:49:02,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38623 transitions. [2024-11-09 05:49:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:02,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:02,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:02,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2024-11-09 05:49:02,401 INFO L396 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:02,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:02,404 INFO L85 PathProgramCache]: Analyzing trace with hash -707115756, now seen corresponding path program 132 times [2024-11-09 05:49:02,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:02,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205132101] [2024-11-09 05:49:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:02,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:03,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:03,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205132101] [2024-11-09 05:49:03,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205132101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:03,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:03,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:03,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377046100] [2024-11-09 05:49:03,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:03,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:03,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:03,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:03,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:03,861 INFO L87 Difference]: Start difference. First operand 10024 states and 38623 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:05,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:05,998 INFO L93 Difference]: Finished difference Result 19080 states and 70515 transitions. [2024-11-09 05:49:05,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:49:05,999 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:05,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:06,084 INFO L225 Difference]: With dead ends: 19080 [2024-11-09 05:49:06,084 INFO L226 Difference]: Without dead ends: 19015 [2024-11-09 05:49:06,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:49:06,091 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 354 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:06,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 568 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19015 states. [2024-11-09 05:49:06,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19015 to 10048. [2024-11-09 05:49:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.851796556185926) internal successors, (38699), 10047 states have internal predecessors, (38699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:06,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38699 transitions. [2024-11-09 05:49:06,455 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38699 transitions. Word has length 55 [2024-11-09 05:49:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:06,455 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38699 transitions. [2024-11-09 05:49:06,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38699 transitions. [2024-11-09 05:49:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:06,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:06,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:06,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2024-11-09 05:49:06,477 INFO L396 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:06,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:06,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1177870578, now seen corresponding path program 133 times [2024-11-09 05:49:06,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:06,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980681061] [2024-11-09 05:49:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:06,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:07,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:07,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980681061] [2024-11-09 05:49:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980681061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:07,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:07,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513553060] [2024-11-09 05:49:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:07,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:07,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:07,727 INFO L87 Difference]: Start difference. First operand 10048 states and 38699 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:09,757 INFO L93 Difference]: Finished difference Result 19084 states and 70519 transitions. [2024-11-09 05:49:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:49:09,757 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:09,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:09,841 INFO L225 Difference]: With dead ends: 19084 [2024-11-09 05:49:09,841 INFO L226 Difference]: Without dead ends: 19007 [2024-11-09 05:49:09,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:49:09,849 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 326 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:09,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 558 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:49:09,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19007 states. [2024-11-09 05:49:10,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19007 to 10040. [2024-11-09 05:49:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.85207690008965) internal successors, (38671), 10039 states have internal predecessors, (38671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38671 transitions. [2024-11-09 05:49:10,209 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38671 transitions. Word has length 55 [2024-11-09 05:49:10,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:10,210 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38671 transitions. [2024-11-09 05:49:10,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38671 transitions. [2024-11-09 05:49:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:10,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:10,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:10,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2024-11-09 05:49:10,233 INFO L396 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:10,233 INFO L85 PathProgramCache]: Analyzing trace with hash -503966332, now seen corresponding path program 134 times [2024-11-09 05:49:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571202459] [2024-11-09 05:49:10,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:11,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:11,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571202459] [2024-11-09 05:49:11,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571202459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:11,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:11,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:11,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034526691] [2024-11-09 05:49:11,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:11,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:11,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:11,516 INFO L87 Difference]: Start difference. First operand 10040 states and 38671 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:13,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:13,477 INFO L93 Difference]: Finished difference Result 19007 states and 70317 transitions. [2024-11-09 05:49:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:49:13,477 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:13,557 INFO L225 Difference]: With dead ends: 19007 [2024-11-09 05:49:13,557 INFO L226 Difference]: Without dead ends: 18770 [2024-11-09 05:49:13,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:49:13,564 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 318 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:13,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 583 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:49:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18770 states. [2024-11-09 05:49:13,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18770 to 9912. [2024-11-09 05:49:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9912 states, 9911 states have (on average 3.86065987286853) internal successors, (38263), 9911 states have internal predecessors, (38263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9912 states to 9912 states and 38263 transitions. [2024-11-09 05:49:13,904 INFO L78 Accepts]: Start accepts. Automaton has 9912 states and 38263 transitions. Word has length 55 [2024-11-09 05:49:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:13,904 INFO L471 AbstractCegarLoop]: Abstraction has 9912 states and 38263 transitions. [2024-11-09 05:49:13,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9912 states and 38263 transitions. [2024-11-09 05:49:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:13,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:13,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:13,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2024-11-09 05:49:13,925 INFO L396 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:13,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:13,925 INFO L85 PathProgramCache]: Analyzing trace with hash 71233302, now seen corresponding path program 135 times [2024-11-09 05:49:13,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:13,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558995236] [2024-11-09 05:49:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:13,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:15,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:15,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558995236] [2024-11-09 05:49:15,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558995236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:15,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:15,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:15,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34588283] [2024-11-09 05:49:15,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:15,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:15,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:15,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:15,141 INFO L87 Difference]: Start difference. First operand 9912 states and 38263 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:16,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:16,787 INFO L93 Difference]: Finished difference Result 18934 states and 70130 transitions. [2024-11-09 05:49:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:16,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:16,862 INFO L225 Difference]: With dead ends: 18934 [2024-11-09 05:49:16,862 INFO L226 Difference]: Without dead ends: 18863 [2024-11-09 05:49:16,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:16,869 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 377 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:16,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 591 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:49:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18863 states. [2024-11-09 05:49:17,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18863 to 9988. [2024-11-09 05:49:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9988 states, 9987 states have (on average 3.8589165915690398) internal successors, (38539), 9987 states have internal predecessors, (38539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 9988 states and 38539 transitions. [2024-11-09 05:49:17,198 INFO L78 Accepts]: Start accepts. Automaton has 9988 states and 38539 transitions. Word has length 55 [2024-11-09 05:49:17,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:17,198 INFO L471 AbstractCegarLoop]: Abstraction has 9988 states and 38539 transitions. [2024-11-09 05:49:17,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 9988 states and 38539 transitions. [2024-11-09 05:49:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:17,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:17,218 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:17,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2024-11-09 05:49:17,218 INFO L396 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:17,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash 76484854, now seen corresponding path program 136 times [2024-11-09 05:49:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:17,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153323226] [2024-11-09 05:49:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:18,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153323226] [2024-11-09 05:49:18,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153323226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:18,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:18,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:18,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452498462] [2024-11-09 05:49:18,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:18,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:18,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:18,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:18,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:18,352 INFO L87 Difference]: Start difference. First operand 9988 states and 38539 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:20,291 INFO L93 Difference]: Finished difference Result 18928 states and 70105 transitions. [2024-11-09 05:49:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:20,292 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:20,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:20,373 INFO L225 Difference]: With dead ends: 18928 [2024-11-09 05:49:20,373 INFO L226 Difference]: Without dead ends: 18855 [2024-11-09 05:49:20,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:20,380 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 361 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:20,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 596 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:49:20,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18855 states. [2024-11-09 05:49:20,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18855 to 9980. [2024-11-09 05:49:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9980 states, 9979 states have (on average 3.8592043290910913) internal successors, (38511), 9979 states have internal predecessors, (38511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 9980 states and 38511 transitions. [2024-11-09 05:49:20,731 INFO L78 Accepts]: Start accepts. Automaton has 9980 states and 38511 transitions. Word has length 55 [2024-11-09 05:49:20,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:20,732 INFO L471 AbstractCegarLoop]: Abstraction has 9980 states and 38511 transitions. [2024-11-09 05:49:20,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 9980 states and 38511 transitions. [2024-11-09 05:49:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:20,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:20,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:20,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2024-11-09 05:49:20,754 INFO L396 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:20,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1361154888, now seen corresponding path program 137 times [2024-11-09 05:49:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:20,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784653498] [2024-11-09 05:49:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:22,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784653498] [2024-11-09 05:49:22,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784653498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:22,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:22,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:22,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619333676] [2024-11-09 05:49:22,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:22,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:22,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:22,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:22,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:22,072 INFO L87 Difference]: Start difference. First operand 9980 states and 38511 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:24,272 INFO L93 Difference]: Finished difference Result 18968 states and 70221 transitions. [2024-11-09 05:49:24,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:24,272 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:24,358 INFO L225 Difference]: With dead ends: 18968 [2024-11-09 05:49:24,358 INFO L226 Difference]: Without dead ends: 18831 [2024-11-09 05:49:24,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:24,365 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 335 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:24,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 637 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:49:24,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18831 states. [2024-11-09 05:49:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18831 to 9956. [2024-11-09 05:49:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.859668508287293) internal successors, (38423), 9955 states have internal predecessors, (38423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38423 transitions. [2024-11-09 05:49:24,731 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38423 transitions. Word has length 55 [2024-11-09 05:49:24,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:24,732 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38423 transitions. [2024-11-09 05:49:24,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38423 transitions. [2024-11-09 05:49:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:24,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:24,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:24,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2024-11-09 05:49:24,754 INFO L396 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:24,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:24,754 INFO L85 PathProgramCache]: Analyzing trace with hash -27902186, now seen corresponding path program 138 times [2024-11-09 05:49:24,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:24,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971232715] [2024-11-09 05:49:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:26,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:26,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971232715] [2024-11-09 05:49:26,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971232715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:26,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:26,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:26,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237621663] [2024-11-09 05:49:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:26,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:26,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:26,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:26,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:26,114 INFO L87 Difference]: Start difference. First operand 9956 states and 38423 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:28,214 INFO L93 Difference]: Finished difference Result 19088 states and 70514 transitions. [2024-11-09 05:49:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:28,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:28,300 INFO L225 Difference]: With dead ends: 19088 [2024-11-09 05:49:28,300 INFO L226 Difference]: Without dead ends: 19017 [2024-11-09 05:49:28,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:28,307 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 406 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:28,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 613 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19017 states. [2024-11-09 05:49:28,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19017 to 9968. [2024-11-09 05:49:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.8586334905187116) internal successors, (38459), 9967 states have internal predecessors, (38459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38459 transitions. [2024-11-09 05:49:28,725 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38459 transitions. Word has length 55 [2024-11-09 05:49:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:28,725 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38459 transitions. [2024-11-09 05:49:28,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38459 transitions. [2024-11-09 05:49:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:28,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:28,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:28,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2024-11-09 05:49:28,749 INFO L396 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:28,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:28,749 INFO L85 PathProgramCache]: Analyzing trace with hash -22650634, now seen corresponding path program 139 times [2024-11-09 05:49:28,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:28,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209413239] [2024-11-09 05:49:28,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:28,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:30,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:30,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209413239] [2024-11-09 05:49:30,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209413239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:30,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:30,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:30,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39192686] [2024-11-09 05:49:30,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:30,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:30,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:30,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:30,070 INFO L87 Difference]: Start difference. First operand 9968 states and 38459 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:32,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:32,408 INFO L93 Difference]: Finished difference Result 19082 states and 70489 transitions. [2024-11-09 05:49:32,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:32,408 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:32,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:32,494 INFO L225 Difference]: With dead ends: 19082 [2024-11-09 05:49:32,494 INFO L226 Difference]: Without dead ends: 19009 [2024-11-09 05:49:32,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:32,502 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 388 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:32,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 628 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:49:32,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19009 states. [2024-11-09 05:49:32,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19009 to 9960. [2024-11-09 05:49:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9960 states, 9959 states have (on average 3.859323225223416) internal successors, (38435), 9959 states have internal predecessors, (38435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 9960 states and 38435 transitions. [2024-11-09 05:49:33,028 INFO L78 Accepts]: Start accepts. Automaton has 9960 states and 38435 transitions. Word has length 55 [2024-11-09 05:49:33,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:33,028 INFO L471 AbstractCegarLoop]: Abstraction has 9960 states and 38435 transitions. [2024-11-09 05:49:33,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 9960 states and 38435 transitions. [2024-11-09 05:49:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:33,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:33,050 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:33,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2024-11-09 05:49:33,051 INFO L396 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:33,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:33,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1032234124, now seen corresponding path program 140 times [2024-11-09 05:49:33,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:33,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439591846] [2024-11-09 05:49:33,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:34,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:34,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439591846] [2024-11-09 05:49:34,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439591846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:34,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:34,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:34,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103397226] [2024-11-09 05:49:34,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:34,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:34,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:34,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:34,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:34,354 INFO L87 Difference]: Start difference. First operand 9960 states and 38435 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:36,156 INFO L93 Difference]: Finished difference Result 18993 states and 70255 transitions. [2024-11-09 05:49:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:36,156 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:36,231 INFO L225 Difference]: With dead ends: 18993 [2024-11-09 05:49:36,231 INFO L226 Difference]: Without dead ends: 18922 [2024-11-09 05:49:36,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:36,238 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 366 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:36,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 565 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:49:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18922 states. [2024-11-09 05:49:36,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18922 to 9970. [2024-11-09 05:49:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 9969 states have (on average 3.8579596749924767) internal successors, (38460), 9969 states have internal predecessors, (38460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 38460 transitions. [2024-11-09 05:49:36,551 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 38460 transitions. Word has length 55 [2024-11-09 05:49:36,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:36,551 INFO L471 AbstractCegarLoop]: Abstraction has 9970 states and 38460 transitions. [2024-11-09 05:49:36,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 38460 transitions. [2024-11-09 05:49:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:36,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:36,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:36,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2024-11-09 05:49:36,570 INFO L396 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:36,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1735817046, now seen corresponding path program 141 times [2024-11-09 05:49:36,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:36,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6050776] [2024-11-09 05:49:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:36,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:37,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6050776] [2024-11-09 05:49:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6050776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:37,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:37,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:37,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161144936] [2024-11-09 05:49:37,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:37,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:37,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:37,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:37,758 INFO L87 Difference]: Start difference. First operand 9970 states and 38460 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:39,642 INFO L93 Difference]: Finished difference Result 18942 states and 70126 transitions. [2024-11-09 05:49:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:39,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:39,736 INFO L225 Difference]: With dead ends: 18942 [2024-11-09 05:49:39,737 INFO L226 Difference]: Without dead ends: 18863 [2024-11-09 05:49:39,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:39,744 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 344 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:39,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 584 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:49:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18863 states. [2024-11-09 05:49:40,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18863 to 9960. [2024-11-09 05:49:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9960 states, 9959 states have (on average 3.858921578471734) internal successors, (38431), 9959 states have internal predecessors, (38431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 9960 states and 38431 transitions. [2024-11-09 05:49:40,251 INFO L78 Accepts]: Start accepts. Automaton has 9960 states and 38431 transitions. Word has length 55 [2024-11-09 05:49:40,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:40,252 INFO L471 AbstractCegarLoop]: Abstraction has 9960 states and 38431 transitions. [2024-11-09 05:49:40,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 9960 states and 38431 transitions. [2024-11-09 05:49:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:40,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:40,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:40,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2024-11-09 05:49:40,274 INFO L396 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:40,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -112410284, now seen corresponding path program 142 times [2024-11-09 05:49:40,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:40,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393333744] [2024-11-09 05:49:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:41,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:41,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393333744] [2024-11-09 05:49:41,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393333744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:41,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:41,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299640920] [2024-11-09 05:49:41,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:41,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:41,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:41,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:41,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:41,618 INFO L87 Difference]: Start difference. First operand 9960 states and 38431 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:43,955 INFO L93 Difference]: Finished difference Result 19005 states and 70287 transitions. [2024-11-09 05:49:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:43,956 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:43,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:44,045 INFO L225 Difference]: With dead ends: 19005 [2024-11-09 05:49:44,045 INFO L226 Difference]: Without dead ends: 18940 [2024-11-09 05:49:44,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:44,053 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 383 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:44,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 595 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:49:44,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18940 states. [2024-11-09 05:49:44,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18940 to 9968. [2024-11-09 05:49:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.857830841777867) internal successors, (38451), 9967 states have internal predecessors, (38451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38451 transitions. [2024-11-09 05:49:44,423 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38451 transitions. Word has length 55 [2024-11-09 05:49:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:44,423 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38451 transitions. [2024-11-09 05:49:44,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38451 transitions. [2024-11-09 05:49:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:44,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:44,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:44,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2024-11-09 05:49:44,446 INFO L396 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:44,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:44,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1807376074, now seen corresponding path program 143 times [2024-11-09 05:49:44,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:44,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454691371] [2024-11-09 05:49:44,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:44,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:45,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:45,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454691371] [2024-11-09 05:49:45,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454691371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:45,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:45,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:45,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536307670] [2024-11-09 05:49:45,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:45,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:45,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:45,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:45,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:45,779 INFO L87 Difference]: Start difference. First operand 9968 states and 38451 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:47,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:47,790 INFO L93 Difference]: Finished difference Result 18940 states and 70117 transitions. [2024-11-09 05:49:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:47,791 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:47,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:47,880 INFO L225 Difference]: With dead ends: 18940 [2024-11-09 05:49:47,880 INFO L226 Difference]: Without dead ends: 18859 [2024-11-09 05:49:47,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:47,887 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 349 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:47,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 582 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:47,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18859 states. [2024-11-09 05:49:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18859 to 9956. [2024-11-09 05:49:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.859266700150678) internal successors, (38419), 9955 states have internal predecessors, (38419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38419 transitions. [2024-11-09 05:49:48,244 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38419 transitions. Word has length 55 [2024-11-09 05:49:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:48,244 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38419 transitions. [2024-11-09 05:49:48,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:48,245 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38419 transitions. [2024-11-09 05:49:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:48,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:48,266 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:48,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2024-11-09 05:49:48,266 INFO L396 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:48,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:48,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1669772168, now seen corresponding path program 144 times [2024-11-09 05:49:48,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:48,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424254993] [2024-11-09 05:49:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:48,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:49,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:49,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424254993] [2024-11-09 05:49:49,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424254993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:49,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:49,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:49,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591767124] [2024-11-09 05:49:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:49,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:49,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:49,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:49,576 INFO L87 Difference]: Start difference. First operand 9956 states and 38419 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:51,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:51,698 INFO L93 Difference]: Finished difference Result 19061 states and 70463 transitions. [2024-11-09 05:49:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:51,699 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:51,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:51,786 INFO L225 Difference]: With dead ends: 19061 [2024-11-09 05:49:51,786 INFO L226 Difference]: Without dead ends: 18948 [2024-11-09 05:49:51,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:51,793 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 386 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:51,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 597 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18948 states. [2024-11-09 05:49:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18948 to 9980. [2024-11-09 05:49:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9980 states, 9979 states have (on average 3.8559975949493936) internal successors, (38479), 9979 states have internal predecessors, (38479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 9980 states and 38479 transitions. [2024-11-09 05:49:52,154 INFO L78 Accepts]: Start accepts. Automaton has 9980 states and 38479 transitions. Word has length 55 [2024-11-09 05:49:52,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:52,155 INFO L471 AbstractCegarLoop]: Abstraction has 9980 states and 38479 transitions. [2024-11-09 05:49:52,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 9980 states and 38479 transitions. [2024-11-09 05:49:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:52,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:52,177 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:52,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2024-11-09 05:49:52,177 INFO L396 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:52,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1295266966, now seen corresponding path program 145 times [2024-11-09 05:49:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:52,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660900727] [2024-11-09 05:49:52,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:53,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:53,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660900727] [2024-11-09 05:49:53,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660900727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:53,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:53,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:53,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142736448] [2024-11-09 05:49:53,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:53,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:53,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:53,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:53,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:53,787 INFO L87 Difference]: Start difference. First operand 9980 states and 38479 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:55,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:55,909 INFO L93 Difference]: Finished difference Result 19025 states and 70335 transitions. [2024-11-09 05:49:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:55,910 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:55,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:55,995 INFO L225 Difference]: With dead ends: 19025 [2024-11-09 05:49:55,996 INFO L226 Difference]: Without dead ends: 18960 [2024-11-09 05:49:56,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:56,003 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 390 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:56,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 608 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18960 states. [2024-11-09 05:49:56,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18960 to 9988. [2024-11-09 05:49:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9988 states, 9987 states have (on average 3.85491138480024) internal successors, (38499), 9987 states have internal predecessors, (38499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 9988 states and 38499 transitions. [2024-11-09 05:49:56,427 INFO L78 Accepts]: Start accepts. Automaton has 9988 states and 38499 transitions. Word has length 55 [2024-11-09 05:49:56,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:56,427 INFO L471 AbstractCegarLoop]: Abstraction has 9988 states and 38499 transitions. [2024-11-09 05:49:56,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 9988 states and 38499 transitions. [2024-11-09 05:49:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:49:56,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:56,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:56,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2024-11-09 05:49:56,451 INFO L396 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:49:56,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:56,452 INFO L85 PathProgramCache]: Analyzing trace with hash -399698824, now seen corresponding path program 146 times [2024-11-09 05:49:56,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:56,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265176735] [2024-11-09 05:49:56,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:57,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:57,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265176735] [2024-11-09 05:49:57,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265176735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:57,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:57,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:49:57,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646958536] [2024-11-09 05:49:57,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:57,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:49:57,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:57,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:49:57,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:49:57,791 INFO L87 Difference]: Start difference. First operand 9988 states and 38499 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:59,822 INFO L93 Difference]: Finished difference Result 18960 states and 70165 transitions. [2024-11-09 05:49:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:49:59,822 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:49:59,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:59,909 INFO L225 Difference]: With dead ends: 18960 [2024-11-09 05:49:59,909 INFO L226 Difference]: Without dead ends: 18847 [2024-11-09 05:49:59,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:49:59,917 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 341 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:59,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 557 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:49:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18847 states. [2024-11-09 05:50:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18847 to 9944. [2024-11-09 05:50:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9944 states, 9943 states have (on average 3.8594991451272254) internal successors, (38375), 9943 states have internal predecessors, (38375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9944 states to 9944 states and 38375 transitions. [2024-11-09 05:50:00,288 INFO L78 Accepts]: Start accepts. Automaton has 9944 states and 38375 transitions. Word has length 55 [2024-11-09 05:50:00,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:00,288 INFO L471 AbstractCegarLoop]: Abstraction has 9944 states and 38375 transitions. [2024-11-09 05:50:00,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9944 states and 38375 transitions. [2024-11-09 05:50:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:00,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:00,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:00,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2024-11-09 05:50:00,310 INFO L396 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:00,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash 731218036, now seen corresponding path program 147 times [2024-11-09 05:50:00,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:00,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930360043] [2024-11-09 05:50:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:01,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:01,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930360043] [2024-11-09 05:50:01,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930360043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:01,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:01,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:01,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250752127] [2024-11-09 05:50:01,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:01,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:01,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:01,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:01,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:01,601 INFO L87 Difference]: Start difference. First operand 9944 states and 38375 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:03,641 INFO L93 Difference]: Finished difference Result 19123 states and 70654 transitions. [2024-11-09 05:50:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:50:03,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:03,723 INFO L225 Difference]: With dead ends: 19123 [2024-11-09 05:50:03,724 INFO L226 Difference]: Without dead ends: 19052 [2024-11-09 05:50:03,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:50:03,731 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 400 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1420 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:03,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 569 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1420 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:50:03,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19052 states. [2024-11-09 05:50:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19052 to 9964. [2024-11-09 05:50:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 9963 states have (on average 3.8585767339154873) internal successors, (38443), 9963 states have internal predecessors, (38443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 38443 transitions. [2024-11-09 05:50:04,129 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 38443 transitions. Word has length 55 [2024-11-09 05:50:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:04,129 INFO L471 AbstractCegarLoop]: Abstraction has 9964 states and 38443 transitions. [2024-11-09 05:50:04,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 38443 transitions. [2024-11-09 05:50:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:04,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:04,151 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:04,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2024-11-09 05:50:04,152 INFO L396 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:04,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:04,152 INFO L85 PathProgramCache]: Analyzing trace with hash 736469588, now seen corresponding path program 148 times [2024-11-09 05:50:04,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:04,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681591570] [2024-11-09 05:50:04,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:05,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:05,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681591570] [2024-11-09 05:50:05,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681591570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:05,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:05,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:05,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772032935] [2024-11-09 05:50:05,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:05,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:05,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:05,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:05,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:05,811 INFO L87 Difference]: Start difference. First operand 9964 states and 38443 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:07,924 INFO L93 Difference]: Finished difference Result 19165 states and 70773 transitions. [2024-11-09 05:50:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:50:07,924 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:08,008 INFO L225 Difference]: With dead ends: 19165 [2024-11-09 05:50:08,008 INFO L226 Difference]: Without dead ends: 19092 [2024-11-09 05:50:08,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:50:08,016 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 447 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:08,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 545 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:08,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19092 states. [2024-11-09 05:50:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19092 to 9956. [2024-11-09 05:50:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.859266700150678) internal successors, (38419), 9955 states have internal predecessors, (38419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38419 transitions. [2024-11-09 05:50:08,385 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38419 transitions. Word has length 55 [2024-11-09 05:50:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:08,385 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38419 transitions. [2024-11-09 05:50:08,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38419 transitions. [2024-11-09 05:50:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:08,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:08,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:08,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2024-11-09 05:50:08,409 INFO L396 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:08,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:08,409 INFO L85 PathProgramCache]: Analyzing trace with hash -273113902, now seen corresponding path program 149 times [2024-11-09 05:50:08,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:08,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289900750] [2024-11-09 05:50:08,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:08,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:09,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:09,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289900750] [2024-11-09 05:50:09,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289900750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:09,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:09,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:09,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143797257] [2024-11-09 05:50:09,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:09,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:09,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:09,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:09,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:09,713 INFO L87 Difference]: Start difference. First operand 9956 states and 38419 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:11,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:11,657 INFO L93 Difference]: Finished difference Result 19194 states and 70831 transitions. [2024-11-09 05:50:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:11,658 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:11,743 INFO L225 Difference]: With dead ends: 19194 [2024-11-09 05:50:11,743 INFO L226 Difference]: Without dead ends: 19123 [2024-11-09 05:50:11,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:11,750 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 415 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:11,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 594 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:50:11,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19123 states. [2024-11-09 05:50:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19123 to 9966. [2024-11-09 05:50:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 9965 states have (on average 3.8579026593075767) internal successors, (38444), 9965 states have internal predecessors, (38444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 38444 transitions. [2024-11-09 05:50:12,112 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 38444 transitions. Word has length 55 [2024-11-09 05:50:12,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:12,113 INFO L471 AbstractCegarLoop]: Abstraction has 9966 states and 38444 transitions. [2024-11-09 05:50:12,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 38444 transitions. [2024-11-09 05:50:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:12,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:12,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:12,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2024-11-09 05:50:12,135 INFO L396 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:12,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:12,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1800030028, now seen corresponding path program 150 times [2024-11-09 05:50:12,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:12,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140930922] [2024-11-09 05:50:12,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:13,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:13,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140930922] [2024-11-09 05:50:13,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140930922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:13,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:13,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:13,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579288871] [2024-11-09 05:50:13,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:13,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:13,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:13,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:13,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:13,606 INFO L87 Difference]: Start difference. First operand 9966 states and 38444 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:15,514 INFO L93 Difference]: Finished difference Result 19143 states and 70702 transitions. [2024-11-09 05:50:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:15,515 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:15,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:15,598 INFO L225 Difference]: With dead ends: 19143 [2024-11-09 05:50:15,598 INFO L226 Difference]: Without dead ends: 19064 [2024-11-09 05:50:15,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:15,605 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 370 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:15,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 593 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:15,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19064 states. [2024-11-09 05:50:15,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19064 to 9956. [2024-11-09 05:50:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.858864892014063) internal successors, (38415), 9955 states have internal predecessors, (38415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38415 transitions. [2024-11-09 05:50:16,017 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38415 transitions. Word has length 55 [2024-11-09 05:50:16,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:16,018 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38415 transitions. [2024-11-09 05:50:16,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38415 transitions. [2024-11-09 05:50:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:16,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:16,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:16,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2024-11-09 05:50:16,041 INFO L396 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:16,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash 646709938, now seen corresponding path program 151 times [2024-11-09 05:50:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015527203] [2024-11-09 05:50:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:17,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015527203] [2024-11-09 05:50:17,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015527203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:17,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:17,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:17,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181357805] [2024-11-09 05:50:17,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:17,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:17,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:17,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:17,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:17,408 INFO L87 Difference]: Start difference. First operand 9956 states and 38415 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:19,641 INFO L93 Difference]: Finished difference Result 19186 states and 70803 transitions. [2024-11-09 05:50:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:19,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:19,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:19,727 INFO L225 Difference]: With dead ends: 19186 [2024-11-09 05:50:19,727 INFO L226 Difference]: Without dead ends: 19121 [2024-11-09 05:50:19,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:19,733 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 419 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:19,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 587 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:50:19,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19121 states. [2024-11-09 05:50:20,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19121 to 9964. [2024-11-09 05:50:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 9963 states have (on average 3.8577737629228146) internal successors, (38435), 9963 states have internal predecessors, (38435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 38435 transitions. [2024-11-09 05:50:20,085 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 38435 transitions. Word has length 55 [2024-11-09 05:50:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:20,085 INFO L471 AbstractCegarLoop]: Abstraction has 9964 states and 38435 transitions. [2024-11-09 05:50:20,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 38435 transitions. [2024-11-09 05:50:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:20,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:20,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:20,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2024-11-09 05:50:20,107 INFO L396 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:20,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:20,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1048255852, now seen corresponding path program 152 times [2024-11-09 05:50:20,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:20,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818238457] [2024-11-09 05:50:20,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:20,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:21,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:21,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818238457] [2024-11-09 05:50:21,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818238457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:21,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:21,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:21,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984823627] [2024-11-09 05:50:21,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:21,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:21,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:21,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:21,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:21,438 INFO L87 Difference]: Start difference. First operand 9964 states and 38435 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:23,714 INFO L93 Difference]: Finished difference Result 19141 states and 70693 transitions. [2024-11-09 05:50:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:23,715 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:23,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:23,805 INFO L225 Difference]: With dead ends: 19141 [2024-11-09 05:50:23,805 INFO L226 Difference]: Without dead ends: 19060 [2024-11-09 05:50:23,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:23,813 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 346 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:23,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 642 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:50:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19060 states. [2024-11-09 05:50:24,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19060 to 9952. [2024-11-09 05:50:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9952 states, 9951 states have (on average 3.8592101296352124) internal successors, (38403), 9951 states have internal predecessors, (38403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9952 states to 9952 states and 38403 transitions. [2024-11-09 05:50:24,182 INFO L78 Accepts]: Start accepts. Automaton has 9952 states and 38403 transitions. Word has length 55 [2024-11-09 05:50:24,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:24,183 INFO L471 AbstractCegarLoop]: Abstraction has 9952 states and 38403 transitions. [2024-11-09 05:50:24,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9952 states and 38403 transitions. [2024-11-09 05:50:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:24,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:24,205 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:24,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2024-11-09 05:50:24,205 INFO L396 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1610681116, now seen corresponding path program 153 times [2024-11-09 05:50:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496764573] [2024-11-09 05:50:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:25,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:25,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496764573] [2024-11-09 05:50:25,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496764573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:25,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:25,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:25,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902090198] [2024-11-09 05:50:25,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:25,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:25,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:25,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:25,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:25,577 INFO L87 Difference]: Start difference. First operand 9952 states and 38403 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:27,899 INFO L93 Difference]: Finished difference Result 19016 states and 70351 transitions. [2024-11-09 05:50:27,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:27,900 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:27,990 INFO L225 Difference]: With dead ends: 19016 [2024-11-09 05:50:27,990 INFO L226 Difference]: Without dead ends: 18945 [2024-11-09 05:50:27,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:27,997 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 323 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:27,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 598 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:50:28,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18945 states. [2024-11-09 05:50:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18945 to 9982. [2024-11-09 05:50:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9982 states, 9981 states have (on average 3.857128544234045) internal successors, (38498), 9981 states have internal predecessors, (38498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 38498 transitions. [2024-11-09 05:50:28,353 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 38498 transitions. Word has length 55 [2024-11-09 05:50:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:28,354 INFO L471 AbstractCegarLoop]: Abstraction has 9982 states and 38498 transitions. [2024-11-09 05:50:28,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 38498 transitions. [2024-11-09 05:50:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:28,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:28,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:28,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2024-11-09 05:50:28,376 INFO L396 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:28,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:28,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1157370054, now seen corresponding path program 154 times [2024-11-09 05:50:28,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:28,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489027144] [2024-11-09 05:50:28,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:28,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:29,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489027144] [2024-11-09 05:50:29,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489027144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:29,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:29,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:29,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629439668] [2024-11-09 05:50:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:29,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:29,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:29,567 INFO L87 Difference]: Start difference. First operand 9982 states and 38498 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:31,179 INFO L93 Difference]: Finished difference Result 19014 states and 70336 transitions. [2024-11-09 05:50:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:50:31,179 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:31,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:31,258 INFO L225 Difference]: With dead ends: 19014 [2024-11-09 05:50:31,258 INFO L226 Difference]: Without dead ends: 18935 [2024-11-09 05:50:31,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:31,265 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 400 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:31,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 521 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:50:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18935 states. [2024-11-09 05:50:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18935 to 9972. [2024-11-09 05:50:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9972 states, 9971 states have (on average 3.8574867114632436) internal successors, (38463), 9971 states have internal predecessors, (38463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9972 states to 9972 states and 38463 transitions. [2024-11-09 05:50:31,715 INFO L78 Accepts]: Start accepts. Automaton has 9972 states and 38463 transitions. Word has length 55 [2024-11-09 05:50:31,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:31,715 INFO L471 AbstractCegarLoop]: Abstraction has 9972 states and 38463 transitions. [2024-11-09 05:50:31,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 9972 states and 38463 transitions. [2024-11-09 05:50:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:31,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:31,734 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:31,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2024-11-09 05:50:31,735 INFO L396 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:31,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1311807572, now seen corresponding path program 155 times [2024-11-09 05:50:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:31,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086209253] [2024-11-09 05:50:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:31,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:32,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:32,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086209253] [2024-11-09 05:50:32,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086209253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:32,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:32,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390890291] [2024-11-09 05:50:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:32,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:32,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:32,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:32,863 INFO L87 Difference]: Start difference. First operand 9972 states and 38463 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:34,566 INFO L93 Difference]: Finished difference Result 18975 states and 70247 transitions. [2024-11-09 05:50:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:34,566 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:34,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:34,646 INFO L225 Difference]: With dead ends: 18975 [2024-11-09 05:50:34,646 INFO L226 Difference]: Without dead ends: 18846 [2024-11-09 05:50:34,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:50:34,653 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 312 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:34,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 553 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:50:34,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18846 states. [2024-11-09 05:50:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18846 to 9952. [2024-11-09 05:50:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9952 states, 9951 states have (on average 3.85840619033263) internal successors, (38395), 9951 states have internal predecessors, (38395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9952 states to 9952 states and 38395 transitions. [2024-11-09 05:50:35,004 INFO L78 Accepts]: Start accepts. Automaton has 9952 states and 38395 transitions. Word has length 55 [2024-11-09 05:50:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:35,005 INFO L471 AbstractCegarLoop]: Abstraction has 9952 states and 38395 transitions. [2024-11-09 05:50:35,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 9952 states and 38395 transitions. [2024-11-09 05:50:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:35,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:35,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:35,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2024-11-09 05:50:35,028 INFO L396 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:35,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1139305700, now seen corresponding path program 156 times [2024-11-09 05:50:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:35,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666844349] [2024-11-09 05:50:35,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:36,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:36,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666844349] [2024-11-09 05:50:36,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666844349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:36,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:36,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:36,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113929558] [2024-11-09 05:50:36,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:36,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:36,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:36,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:36,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:36,293 INFO L87 Difference]: Start difference. First operand 9952 states and 38395 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:38,148 INFO L93 Difference]: Finished difference Result 19156 states and 70761 transitions. [2024-11-09 05:50:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:50:38,149 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:38,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:38,227 INFO L225 Difference]: With dead ends: 19156 [2024-11-09 05:50:38,227 INFO L226 Difference]: Without dead ends: 19091 [2024-11-09 05:50:38,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=475, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:50:38,234 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 371 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:38,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 528 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:50:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19091 states. [2024-11-09 05:50:38,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19091 to 9976. [2024-11-09 05:50:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9976 states, 9975 states have (on average 3.8567418546365917) internal successors, (38471), 9975 states have internal predecessors, (38471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 38471 transitions. [2024-11-09 05:50:38,564 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 38471 transitions. Word has length 55 [2024-11-09 05:50:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:38,564 INFO L471 AbstractCegarLoop]: Abstraction has 9976 states and 38471 transitions. [2024-11-09 05:50:38,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 38471 transitions. [2024-11-09 05:50:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:38,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:38,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:38,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2024-11-09 05:50:38,584 INFO L396 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:38,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:38,585 INFO L85 PathProgramCache]: Analyzing trace with hash -555660090, now seen corresponding path program 157 times [2024-11-09 05:50:38,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:38,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527076622] [2024-11-09 05:50:38,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:38,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:39,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:39,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527076622] [2024-11-09 05:50:39,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527076622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:39,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:39,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:39,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238214195] [2024-11-09 05:50:39,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:39,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:39,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:39,719 INFO L87 Difference]: Start difference. First operand 9976 states and 38471 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:41,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:41,509 INFO L93 Difference]: Finished difference Result 19112 states and 70621 transitions. [2024-11-09 05:50:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:50:41,510 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:41,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:41,592 INFO L225 Difference]: With dead ends: 19112 [2024-11-09 05:50:41,592 INFO L226 Difference]: Without dead ends: 19035 [2024-11-09 05:50:41,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:50:41,599 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 349 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:41,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 548 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:50:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19035 states. [2024-11-09 05:50:41,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19035 to 9968. [2024-11-09 05:50:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.857028193037022) internal successors, (38443), 9967 states have internal predecessors, (38443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38443 transitions. [2024-11-09 05:50:41,947 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38443 transitions. Word has length 55 [2024-11-09 05:50:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:41,947 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38443 transitions. [2024-11-09 05:50:41,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38443 transitions. [2024-11-09 05:50:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:41,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:41,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:41,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2024-11-09 05:50:41,968 INFO L396 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:41,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:41,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1152996748, now seen corresponding path program 158 times [2024-11-09 05:50:41,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:41,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097770662] [2024-11-09 05:50:41,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:41,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:43,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:43,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097770662] [2024-11-09 05:50:43,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097770662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:43,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:43,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:43,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584329083] [2024-11-09 05:50:43,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:43,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:43,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:43,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:43,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:43,189 INFO L87 Difference]: Start difference. First operand 9968 states and 38443 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:45,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:45,073 INFO L93 Difference]: Finished difference Result 19035 states and 70419 transitions. [2024-11-09 05:50:45,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:50:45,074 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:45,151 INFO L225 Difference]: With dead ends: 19035 [2024-11-09 05:50:45,151 INFO L226 Difference]: Without dead ends: 18902 [2024-11-09 05:50:45,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:50:45,158 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 296 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:45,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 561 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:50:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18902 states. [2024-11-09 05:50:45,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18902 to 9944. [2024-11-09 05:50:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9944 states, 9943 states have (on average 3.8586945589862216) internal successors, (38367), 9943 states have internal predecessors, (38367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9944 states to 9944 states and 38367 transitions. [2024-11-09 05:50:45,489 INFO L78 Accepts]: Start accepts. Automaton has 9944 states and 38367 transitions. Word has length 55 [2024-11-09 05:50:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:45,489 INFO L471 AbstractCegarLoop]: Abstraction has 9944 states and 38367 transitions. [2024-11-09 05:50:45,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9944 states and 38367 transitions. [2024-11-09 05:50:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:45,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:45,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:45,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2024-11-09 05:50:45,509 INFO L396 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:45,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:45,510 INFO L85 PathProgramCache]: Analyzing trace with hash -222330156, now seen corresponding path program 159 times [2024-11-09 05:50:45,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:45,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793292103] [2024-11-09 05:50:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:45,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:46,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:46,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793292103] [2024-11-09 05:50:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793292103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:46,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089096995] [2024-11-09 05:50:46,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:46,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:46,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:46,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:46,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:46,575 INFO L87 Difference]: Start difference. First operand 9944 states and 38367 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:48,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:48,524 INFO L93 Difference]: Finished difference Result 19052 states and 70465 transitions. [2024-11-09 05:50:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:50:48,525 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:48,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:48,607 INFO L225 Difference]: With dead ends: 19052 [2024-11-09 05:50:48,607 INFO L226 Difference]: Without dead ends: 18939 [2024-11-09 05:50:48,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:50:48,614 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 329 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:48,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 575 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18939 states. [2024-11-09 05:50:48,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18939 to 10032. [2024-11-09 05:50:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 3.8523576911574122) internal successors, (38643), 10031 states have internal predecessors, (38643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 38643 transitions. [2024-11-09 05:50:48,954 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 38643 transitions. Word has length 55 [2024-11-09 05:50:48,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:48,954 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 38643 transitions. [2024-11-09 05:50:48,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 38643 transitions. [2024-11-09 05:50:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:48,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:48,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:48,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2024-11-09 05:50:48,975 INFO L396 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:48,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:48,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1552258318, now seen corresponding path program 160 times [2024-11-09 05:50:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:48,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724273349] [2024-11-09 05:50:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:48,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:50,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:50,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724273349] [2024-11-09 05:50:50,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724273349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:50,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:50,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:50,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34725305] [2024-11-09 05:50:50,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:50,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:50,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:50,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:50,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:50,249 INFO L87 Difference]: Start difference. First operand 10032 states and 38643 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:52,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:52,157 INFO L93 Difference]: Finished difference Result 19081 states and 70499 transitions. [2024-11-09 05:50:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:50:52,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:52,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:52,241 INFO L225 Difference]: With dead ends: 19081 [2024-11-09 05:50:52,242 INFO L226 Difference]: Without dead ends: 19016 [2024-11-09 05:50:52,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:50:52,252 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 352 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:52,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 602 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19016 states. [2024-11-09 05:50:52,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19016 to 10040. [2024-11-09 05:50:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.851280007968921) internal successors, (38663), 10039 states have internal predecessors, (38663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38663 transitions. [2024-11-09 05:50:52,589 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38663 transitions. Word has length 55 [2024-11-09 05:50:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:52,589 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38663 transitions. [2024-11-09 05:50:52,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38663 transitions. [2024-11-09 05:50:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:52,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:52,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:52,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2024-11-09 05:50:52,620 INFO L396 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:52,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:52,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1047743188, now seen corresponding path program 161 times [2024-11-09 05:50:52,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:52,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921440754] [2024-11-09 05:50:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:53,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:53,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921440754] [2024-11-09 05:50:53,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921440754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:53,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:53,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:53,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437503233] [2024-11-09 05:50:53,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:53,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:53,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:53,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:53,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:53,826 INFO L87 Difference]: Start difference. First operand 10040 states and 38663 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:55,685 INFO L93 Difference]: Finished difference Result 19016 states and 70329 transitions. [2024-11-09 05:50:55,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:50:55,685 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:55,759 INFO L225 Difference]: With dead ends: 19016 [2024-11-09 05:50:55,759 INFO L226 Difference]: Without dead ends: 18915 [2024-11-09 05:50:55,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:50:55,766 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 334 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:55,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 583 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18915 states. [2024-11-09 05:50:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18915 to 10008. [2024-11-09 05:50:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10008 states, 10007 states have (on average 3.8532027580693513) internal successors, (38559), 10007 states have internal predecessors, (38559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 38559 transitions. [2024-11-09 05:50:56,100 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 38559 transitions. Word has length 55 [2024-11-09 05:50:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:56,100 INFO L471 AbstractCegarLoop]: Abstraction has 10008 states and 38559 transitions. [2024-11-09 05:50:56,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 38559 transitions. [2024-11-09 05:50:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:56,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:56,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:56,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2024-11-09 05:50:56,121 INFO L396 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:56,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:56,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1827627490, now seen corresponding path program 162 times [2024-11-09 05:50:56,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:56,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630108762] [2024-11-09 05:50:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:57,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:57,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630108762] [2024-11-09 05:50:57,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630108762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:57,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:57,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:50:57,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421069303] [2024-11-09 05:50:57,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:57,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:50:57,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:50:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:50:57,279 INFO L87 Difference]: Start difference. First operand 10008 states and 38559 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:59,109 INFO L93 Difference]: Finished difference Result 19004 states and 70285 transitions. [2024-11-09 05:50:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:50:59,110 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:50:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:59,182 INFO L225 Difference]: With dead ends: 19004 [2024-11-09 05:50:59,182 INFO L226 Difference]: Without dead ends: 18939 [2024-11-09 05:50:59,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:50:59,188 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 311 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:59,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 606 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:50:59,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18939 states. [2024-11-09 05:50:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18939 to 10032. [2024-11-09 05:50:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 3.851560163493171) internal successors, (38635), 10031 states have internal predecessors, (38635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 38635 transitions. [2024-11-09 05:50:59,490 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 38635 transitions. Word has length 55 [2024-11-09 05:50:59,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:59,491 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 38635 transitions. [2024-11-09 05:50:59,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 38635 transitions. [2024-11-09 05:50:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:50:59,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:59,508 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:59,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2024-11-09 05:50:59,508 INFO L396 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:50:59,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash 132661700, now seen corresponding path program 163 times [2024-11-09 05:50:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959148385] [2024-11-09 05:50:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:59,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:00,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:00,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959148385] [2024-11-09 05:51:00,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959148385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:00,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:00,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:00,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179572514] [2024-11-09 05:51:00,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:00,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:00,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:00,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:00,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:00,598 INFO L87 Difference]: Start difference. First operand 10032 states and 38635 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:02,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:02,426 INFO L93 Difference]: Finished difference Result 19008 states and 70289 transitions. [2024-11-09 05:51:02,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:02,426 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:02,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:02,505 INFO L225 Difference]: With dead ends: 19008 [2024-11-09 05:51:02,505 INFO L226 Difference]: Without dead ends: 18931 [2024-11-09 05:51:02,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:02,515 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 325 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:02,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 571 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:51:02,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18931 states. [2024-11-09 05:51:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18931 to 10024. [2024-11-09 05:51:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.8518407662376535) internal successors, (38607), 10023 states have internal predecessors, (38607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38607 transitions. [2024-11-09 05:51:02,995 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38607 transitions. Word has length 55 [2024-11-09 05:51:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:02,995 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38607 transitions. [2024-11-09 05:51:02,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38607 transitions. [2024-11-09 05:51:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:03,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:03,016 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:03,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2024-11-09 05:51:03,016 INFO L396 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:03,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -464674958, now seen corresponding path program 164 times [2024-11-09 05:51:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785564994] [2024-11-09 05:51:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:04,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:04,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785564994] [2024-11-09 05:51:04,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785564994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:04,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:04,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399867506] [2024-11-09 05:51:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:04,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:04,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:04,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:04,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:04,221 INFO L87 Difference]: Start difference. First operand 10024 states and 38607 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:05,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:05,991 INFO L93 Difference]: Finished difference Result 18931 states and 70087 transitions. [2024-11-09 05:51:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:05,992 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:06,068 INFO L225 Difference]: With dead ends: 18931 [2024-11-09 05:51:06,068 INFO L226 Difference]: Without dead ends: 18686 [2024-11-09 05:51:06,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:06,075 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 310 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:06,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 508 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:51:06,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18686 states. [2024-11-09 05:51:06,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18686 to 9888. [2024-11-09 05:51:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9888 states, 9887 states have (on average 3.8627490644280367) internal successors, (38191), 9887 states have internal predecessors, (38191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9888 states to 9888 states and 38191 transitions. [2024-11-09 05:51:06,397 INFO L78 Accepts]: Start accepts. Automaton has 9888 states and 38191 transitions. Word has length 55 [2024-11-09 05:51:06,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:06,397 INFO L471 AbstractCegarLoop]: Abstraction has 9888 states and 38191 transitions. [2024-11-09 05:51:06,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9888 states and 38191 transitions. [2024-11-09 05:51:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:06,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:06,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:06,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2024-11-09 05:51:06,417 INFO L396 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:06,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:06,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1082581400, now seen corresponding path program 165 times [2024-11-09 05:51:06,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:06,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951042836] [2024-11-09 05:51:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:07,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:07,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951042836] [2024-11-09 05:51:07,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951042836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:07,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:07,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:07,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319877775] [2024-11-09 05:51:07,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:07,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:07,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:07,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:07,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:07,520 INFO L87 Difference]: Start difference. First operand 9888 states and 38191 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:09,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:09,471 INFO L93 Difference]: Finished difference Result 18495 states and 68663 transitions. [2024-11-09 05:51:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:09,472 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:09,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:09,550 INFO L225 Difference]: With dead ends: 18495 [2024-11-09 05:51:09,550 INFO L226 Difference]: Without dead ends: 18382 [2024-11-09 05:51:09,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:09,557 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 302 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:09,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 668 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18382 states. [2024-11-09 05:51:09,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18382 to 10048. [2024-11-09 05:51:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.851398427391261) internal successors, (38695), 10047 states have internal predecessors, (38695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38695 transitions. [2024-11-09 05:51:09,898 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38695 transitions. Word has length 55 [2024-11-09 05:51:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:09,898 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38695 transitions. [2024-11-09 05:51:09,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38695 transitions. [2024-11-09 05:51:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:09,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:09,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:09,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2024-11-09 05:51:09,918 INFO L396 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:09,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:09,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2016555416, now seen corresponding path program 166 times [2024-11-09 05:51:09,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:09,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934841488] [2024-11-09 05:51:09,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:09,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:10,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:10,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934841488] [2024-11-09 05:51:10,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934841488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:10,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:10,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622666737] [2024-11-09 05:51:10,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:10,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:10,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:10,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:10,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:10,967 INFO L87 Difference]: Start difference. First operand 10048 states and 38695 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:12,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:12,874 INFO L93 Difference]: Finished difference Result 18524 states and 68697 transitions. [2024-11-09 05:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:12,875 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:12,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:12,984 INFO L225 Difference]: With dead ends: 18524 [2024-11-09 05:51:12,984 INFO L226 Difference]: Without dead ends: 18459 [2024-11-09 05:51:12,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:12,992 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 371 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:12,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 612 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:51:13,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18459 states. [2024-11-09 05:51:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18459 to 10056. [2024-11-09 05:51:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 10055 states have (on average 3.8503232222774737) internal successors, (38715), 10055 states have internal predecessors, (38715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 38715 transitions. [2024-11-09 05:51:13,349 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 38715 transitions. Word has length 55 [2024-11-09 05:51:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:13,350 INFO L471 AbstractCegarLoop]: Abstraction has 10056 states and 38715 transitions. [2024-11-09 05:51:13,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 38715 transitions. [2024-11-09 05:51:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:13,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:13,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:13,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2024-11-09 05:51:13,372 INFO L396 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:13,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash -393425546, now seen corresponding path program 167 times [2024-11-09 05:51:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:13,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115688332] [2024-11-09 05:51:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:14,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:14,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115688332] [2024-11-09 05:51:14,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115688332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:14,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:14,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842452522] [2024-11-09 05:51:14,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:14,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:14,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:14,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:14,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:14,672 INFO L87 Difference]: Start difference. First operand 10056 states and 38715 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:16,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:16,444 INFO L93 Difference]: Finished difference Result 18459 states and 68527 transitions. [2024-11-09 05:51:16,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:16,445 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:16,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:16,522 INFO L225 Difference]: With dead ends: 18459 [2024-11-09 05:51:16,522 INFO L226 Difference]: Without dead ends: 18358 [2024-11-09 05:51:16,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:16,529 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 311 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:16,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 613 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:51:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18358 states. [2024-11-09 05:51:16,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18358 to 10024. [2024-11-09 05:51:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.852239848348798) internal successors, (38611), 10023 states have internal predecessors, (38611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38611 transitions. [2024-11-09 05:51:17,000 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38611 transitions. Word has length 55 [2024-11-09 05:51:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:17,000 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38611 transitions. [2024-11-09 05:51:17,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38611 transitions. [2024-11-09 05:51:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:17,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:17,020 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:17,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2024-11-09 05:51:17,020 INFO L396 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:17,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -999411082, now seen corresponding path program 168 times [2024-11-09 05:51:17,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:17,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99115316] [2024-11-09 05:51:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:17,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:18,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99115316] [2024-11-09 05:51:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99115316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:18,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:18,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:18,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135544220] [2024-11-09 05:51:18,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:18,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:18,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:18,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:18,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:18,171 INFO L87 Difference]: Start difference. First operand 10024 states and 38611 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:20,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:20,348 INFO L93 Difference]: Finished difference Result 18511 states and 68675 transitions. [2024-11-09 05:51:20,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:51:20,349 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:20,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:20,436 INFO L225 Difference]: With dead ends: 18511 [2024-11-09 05:51:20,436 INFO L226 Difference]: Without dead ends: 18446 [2024-11-09 05:51:20,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:51:20,444 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 353 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:20,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 578 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:20,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18446 states. [2024-11-09 05:51:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18446 to 10048. [2024-11-09 05:51:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10047 states have (on average 3.850602169801931) internal successors, (38687), 10047 states have internal predecessors, (38687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 38687 transitions. [2024-11-09 05:51:20,807 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 38687 transitions. Word has length 55 [2024-11-09 05:51:20,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:20,807 INFO L471 AbstractCegarLoop]: Abstraction has 10048 states and 38687 transitions. [2024-11-09 05:51:20,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 38687 transitions. [2024-11-09 05:51:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:20,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:20,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:20,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2024-11-09 05:51:20,831 INFO L396 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:20,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:20,831 INFO L85 PathProgramCache]: Analyzing trace with hash 885575252, now seen corresponding path program 169 times [2024-11-09 05:51:20,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:20,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641578638] [2024-11-09 05:51:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:22,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:22,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641578638] [2024-11-09 05:51:22,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641578638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:22,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:22,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046795652] [2024-11-09 05:51:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:22,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:22,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:22,137 INFO L87 Difference]: Start difference. First operand 10048 states and 38687 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:24,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:24,104 INFO L93 Difference]: Finished difference Result 18515 states and 68679 transitions. [2024-11-09 05:51:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:51:24,105 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:24,191 INFO L225 Difference]: With dead ends: 18515 [2024-11-09 05:51:24,191 INFO L226 Difference]: Without dead ends: 18438 [2024-11-09 05:51:24,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:51:24,198 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 369 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:24,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 526 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:51:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18438 states. [2024-11-09 05:51:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18438 to 10040. [2024-11-09 05:51:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.850881561908557) internal successors, (38659), 10039 states have internal predecessors, (38659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:24,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38659 transitions. [2024-11-09 05:51:24,552 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38659 transitions. Word has length 55 [2024-11-09 05:51:24,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:24,552 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38659 transitions. [2024-11-09 05:51:24,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38659 transitions. [2024-11-09 05:51:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:24,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:24,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:24,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2024-11-09 05:51:24,574 INFO L396 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:24,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash -796261658, now seen corresponding path program 170 times [2024-11-09 05:51:24,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:24,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485490591] [2024-11-09 05:51:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:25,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485490591] [2024-11-09 05:51:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485490591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:25,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428055137] [2024-11-09 05:51:25,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:25,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:25,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:25,997 INFO L87 Difference]: Start difference. First operand 10040 states and 38659 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:28,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:28,041 INFO L93 Difference]: Finished difference Result 18438 states and 68477 transitions. [2024-11-09 05:51:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:51:28,042 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:28,118 INFO L225 Difference]: With dead ends: 18438 [2024-11-09 05:51:28,118 INFO L226 Difference]: Without dead ends: 18201 [2024-11-09 05:51:28,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:51:28,125 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 304 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:28,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 552 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:51:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18201 states. [2024-11-09 05:51:28,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18201 to 9912. [2024-11-09 05:51:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9912 states, 9911 states have (on average 3.8594490969629702) internal successors, (38251), 9911 states have internal predecessors, (38251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9912 states to 9912 states and 38251 transitions. [2024-11-09 05:51:28,466 INFO L78 Accepts]: Start accepts. Automaton has 9912 states and 38251 transitions. Word has length 55 [2024-11-09 05:51:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:28,466 INFO L471 AbstractCegarLoop]: Abstraction has 9912 states and 38251 transitions. [2024-11-09 05:51:28,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 9912 states and 38251 transitions. [2024-11-09 05:51:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:28,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:28,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:28,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2024-11-09 05:51:28,488 INFO L396 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:28,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1485771286, now seen corresponding path program 171 times [2024-11-09 05:51:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:28,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665629529] [2024-11-09 05:51:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:29,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:29,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665629529] [2024-11-09 05:51:29,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665629529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:29,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:29,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014037669] [2024-11-09 05:51:29,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:29,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:29,874 INFO L87 Difference]: Start difference. First operand 9912 states and 38251 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:31,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:31,981 INFO L93 Difference]: Finished difference Result 18401 states and 68393 transitions. [2024-11-09 05:51:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:31,981 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:32,063 INFO L225 Difference]: With dead ends: 18401 [2024-11-09 05:51:32,063 INFO L226 Difference]: Without dead ends: 18288 [2024-11-09 05:51:32,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:32,071 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 297 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:32,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 556 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18288 states. [2024-11-09 05:51:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18288 to 9980. [2024-11-09 05:51:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9980 states, 9979 states have (on average 3.856398436717106) internal successors, (38483), 9979 states have internal predecessors, (38483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 9980 states and 38483 transitions. [2024-11-09 05:51:32,428 INFO L78 Accepts]: Start accepts. Automaton has 9980 states and 38483 transitions. Word has length 55 [2024-11-09 05:51:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:32,428 INFO L471 AbstractCegarLoop]: Abstraction has 9980 states and 38483 transitions. [2024-11-09 05:51:32,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 9980 states and 38483 transitions. [2024-11-09 05:51:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:32,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:32,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:32,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2024-11-09 05:51:32,451 INFO L396 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:32,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:32,451 INFO L85 PathProgramCache]: Analyzing trace with hash -915525352, now seen corresponding path program 172 times [2024-11-09 05:51:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:32,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91413465] [2024-11-09 05:51:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:32,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:33,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:33,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91413465] [2024-11-09 05:51:33,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91413465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:33,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:33,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660260192] [2024-11-09 05:51:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:33,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:33,754 INFO L87 Difference]: Start difference. First operand 9980 states and 38483 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:35,491 INFO L93 Difference]: Finished difference Result 18433 states and 68434 transitions. [2024-11-09 05:51:35,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:35,491 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:35,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:35,574 INFO L225 Difference]: With dead ends: 18433 [2024-11-09 05:51:35,574 INFO L226 Difference]: Without dead ends: 18368 [2024-11-09 05:51:35,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:35,581 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 390 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:35,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 547 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:51:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18368 states. [2024-11-09 05:51:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18368 to 9988. [2024-11-09 05:51:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9988 states, 9987 states have (on average 3.8553119054771203) internal successors, (38503), 9987 states have internal predecessors, (38503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 9988 states and 38503 transitions. [2024-11-09 05:51:35,941 INFO L78 Accepts]: Start accepts. Automaton has 9988 states and 38503 transitions. Word has length 55 [2024-11-09 05:51:35,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:35,942 INFO L471 AbstractCegarLoop]: Abstraction has 9988 states and 38503 transitions. [2024-11-09 05:51:35,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand 9988 states and 38503 transitions. [2024-11-09 05:51:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:35,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:35,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:35,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2024-11-09 05:51:35,963 INFO L396 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:35,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1933871350, now seen corresponding path program 173 times [2024-11-09 05:51:35,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:35,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920251590] [2024-11-09 05:51:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:37,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920251590] [2024-11-09 05:51:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920251590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:37,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:37,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:37,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333190588] [2024-11-09 05:51:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:37,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:37,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:37,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:37,202 INFO L87 Difference]: Start difference. First operand 9988 states and 38503 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:38,920 INFO L93 Difference]: Finished difference Result 18368 states and 68264 transitions. [2024-11-09 05:51:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:38,920 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:38,998 INFO L225 Difference]: With dead ends: 18368 [2024-11-09 05:51:38,998 INFO L226 Difference]: Without dead ends: 18264 [2024-11-09 05:51:39,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:39,005 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 357 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:39,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 453 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:51:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18264 states. [2024-11-09 05:51:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18264 to 9956. [2024-11-09 05:51:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.8584630838774485) internal successors, (38411), 9955 states have internal predecessors, (38411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38411 transitions. [2024-11-09 05:51:39,358 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38411 transitions. Word has length 55 [2024-11-09 05:51:39,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:39,359 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38411 transitions. [2024-11-09 05:51:39,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38411 transitions. [2024-11-09 05:51:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:39,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:39,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:39,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2024-11-09 05:51:39,381 INFO L396 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:39,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:39,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1908718602, now seen corresponding path program 174 times [2024-11-09 05:51:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183391623] [2024-11-09 05:51:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:40,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:40,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183391623] [2024-11-09 05:51:40,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183391623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:40,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:40,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:40,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041375120] [2024-11-09 05:51:40,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:40,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:40,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:40,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:40,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:40,770 INFO L87 Difference]: Start difference. First operand 9956 states and 38411 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:42,954 INFO L93 Difference]: Finished difference Result 18494 states and 68631 transitions. [2024-11-09 05:51:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:42,954 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:43,030 INFO L225 Difference]: With dead ends: 18494 [2024-11-09 05:51:43,030 INFO L226 Difference]: Without dead ends: 18381 [2024-11-09 05:51:43,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:43,036 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 346 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:43,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 571 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:51:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18381 states. [2024-11-09 05:51:43,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18381 to 9980. [2024-11-09 05:51:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9980 states, 9979 states have (on average 3.8551959114139693) internal successors, (38471), 9979 states have internal predecessors, (38471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 9980 states and 38471 transitions. [2024-11-09 05:51:43,384 INFO L78 Accepts]: Start accepts. Automaton has 9980 states and 38471 transitions. Word has length 55 [2024-11-09 05:51:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:43,384 INFO L471 AbstractCegarLoop]: Abstraction has 9980 states and 38471 transitions. [2024-11-09 05:51:43,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 9980 states and 38471 transitions. [2024-11-09 05:51:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:43,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:43,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:43,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2024-11-09 05:51:43,407 INFO L396 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:43,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1184706840, now seen corresponding path program 175 times [2024-11-09 05:51:43,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:43,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257374459] [2024-11-09 05:51:43,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:43,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:44,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:44,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257374459] [2024-11-09 05:51:44,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257374459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:44,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:44,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:44,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537245811] [2024-11-09 05:51:44,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:44,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:44,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:44,595 INFO L87 Difference]: Start difference. First operand 9980 states and 38471 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:46,637 INFO L93 Difference]: Finished difference Result 18458 states and 68503 transitions. [2024-11-09 05:51:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:46,638 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:46,722 INFO L225 Difference]: With dead ends: 18458 [2024-11-09 05:51:46,722 INFO L226 Difference]: Without dead ends: 18393 [2024-11-09 05:51:46,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:46,730 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 343 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:46,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 590 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:46,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18393 states. [2024-11-09 05:51:47,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18393 to 9988. [2024-11-09 05:51:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9988 states, 9987 states have (on average 3.8541103434464805) internal successors, (38491), 9987 states have internal predecessors, (38491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 9988 states and 38491 transitions. [2024-11-09 05:51:47,093 INFO L78 Accepts]: Start accepts. Automaton has 9988 states and 38491 transitions. Word has length 55 [2024-11-09 05:51:47,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:47,093 INFO L471 AbstractCegarLoop]: Abstraction has 9988 states and 38491 transitions. [2024-11-09 05:51:47,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:47,094 INFO L276 IsEmpty]: Start isEmpty. Operand 9988 states and 38491 transitions. [2024-11-09 05:51:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:47,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:47,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:47,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2024-11-09 05:51:47,115 INFO L396 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:47,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:47,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1225274122, now seen corresponding path program 176 times [2024-11-09 05:51:47,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:47,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708317314] [2024-11-09 05:51:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:48,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708317314] [2024-11-09 05:51:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708317314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:48,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088723251] [2024-11-09 05:51:48,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:48,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:48,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:48,437 INFO L87 Difference]: Start difference. First operand 9988 states and 38491 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:50,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:50,503 INFO L93 Difference]: Finished difference Result 18393 states and 68333 transitions. [2024-11-09 05:51:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:50,504 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:50,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:50,589 INFO L225 Difference]: With dead ends: 18393 [2024-11-09 05:51:50,589 INFO L226 Difference]: Without dead ends: 18292 [2024-11-09 05:51:50,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:50,596 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 309 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:50,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 534 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18292 states. [2024-11-09 05:51:50,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18292 to 9956. [2024-11-09 05:51:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.8572576594676042) internal successors, (38399), 9955 states have internal predecessors, (38399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38399 transitions. [2024-11-09 05:51:50,951 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38399 transitions. Word has length 55 [2024-11-09 05:51:50,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:50,951 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38399 transitions. [2024-11-09 05:51:50,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38399 transitions. [2024-11-09 05:51:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:50,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:50,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:50,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2024-11-09 05:51:50,973 INFO L396 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:50,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash 748575126, now seen corresponding path program 177 times [2024-11-09 05:51:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:50,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658065547] [2024-11-09 05:51:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:52,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:52,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658065547] [2024-11-09 05:51:52,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658065547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:52,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:52,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:52,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712643461] [2024-11-09 05:51:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:52,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:52,301 INFO L87 Difference]: Start difference. First operand 9956 states and 38399 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:54,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:54,406 INFO L93 Difference]: Finished difference Result 18516 states and 68651 transitions. [2024-11-09 05:51:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:54,491 INFO L225 Difference]: With dead ends: 18516 [2024-11-09 05:51:54,491 INFO L226 Difference]: Without dead ends: 18451 [2024-11-09 05:51:54,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:54,499 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 375 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:54,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 510 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:54,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18451 states. [2024-11-09 05:51:54,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18451 to 9968. [2024-11-09 05:51:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.8562255442961773) internal successors, (38435), 9967 states have internal predecessors, (38435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38435 transitions. [2024-11-09 05:51:55,058 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38435 transitions. Word has length 55 [2024-11-09 05:51:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:55,059 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38435 transitions. [2024-11-09 05:51:55,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38435 transitions. [2024-11-09 05:51:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:55,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:55,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:55,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2024-11-09 05:51:55,080 INFO L396 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:55,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:55,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1834735862, now seen corresponding path program 178 times [2024-11-09 05:51:55,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:55,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206304510] [2024-11-09 05:51:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:56,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:56,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206304510] [2024-11-09 05:51:56,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206304510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:56,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:56,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:51:56,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257290193] [2024-11-09 05:51:56,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:56,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:51:56,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:56,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:51:56,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:51:56,338 INFO L87 Difference]: Start difference. First operand 9968 states and 38435 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:58,302 INFO L93 Difference]: Finished difference Result 18523 states and 68662 transitions. [2024-11-09 05:51:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:51:58,303 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:51:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:58,387 INFO L225 Difference]: With dead ends: 18523 [2024-11-09 05:51:58,387 INFO L226 Difference]: Without dead ends: 18443 [2024-11-09 05:51:58,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:51:58,394 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 357 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:58,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 632 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:51:58,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18443 states. [2024-11-09 05:51:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18443 to 9960. [2024-11-09 05:51:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9960 states, 9959 states have (on average 3.8569133447133246) internal successors, (38411), 9959 states have internal predecessors, (38411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 9960 states and 38411 transitions. [2024-11-09 05:51:58,746 INFO L78 Accepts]: Start accepts. Automaton has 9960 states and 38411 transitions. Word has length 55 [2024-11-09 05:51:58,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:58,746 INFO L471 AbstractCegarLoop]: Abstraction has 9960 states and 38411 transitions. [2024-11-09 05:51:58,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 9960 states and 38411 transitions. [2024-11-09 05:51:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:51:58,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:58,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:58,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2024-11-09 05:51:58,768 INFO L396 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:51:58,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1500349302, now seen corresponding path program 179 times [2024-11-09 05:51:58,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:58,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206750638] [2024-11-09 05:51:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:58,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:00,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:00,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206750638] [2024-11-09 05:52:00,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206750638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:00,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:00,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:00,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070372455] [2024-11-09 05:52:00,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:00,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:00,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:00,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:00,078 INFO L87 Difference]: Start difference. First operand 9960 states and 38411 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:02,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:02,420 INFO L93 Difference]: Finished difference Result 18520 states and 68659 transitions. [2024-11-09 05:52:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:02,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:02,497 INFO L225 Difference]: With dead ends: 18520 [2024-11-09 05:52:02,497 INFO L226 Difference]: Without dead ends: 18455 [2024-11-09 05:52:02,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:02,504 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 393 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:02,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 545 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:52:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18455 states. [2024-11-09 05:52:02,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18455 to 9968. [2024-11-09 05:52:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.855824219925755) internal successors, (38431), 9967 states have internal predecessors, (38431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38431 transitions. [2024-11-09 05:52:02,939 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38431 transitions. Word has length 55 [2024-11-09 05:52:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:02,939 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38431 transitions. [2024-11-09 05:52:02,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38431 transitions. [2024-11-09 05:52:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:02,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:02,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:02,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2024-11-09 05:52:02,961 INFO L396 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:02,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:02,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1952947446, now seen corresponding path program 180 times [2024-11-09 05:52:02,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:02,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239313603] [2024-11-09 05:52:02,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:02,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:04,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:04,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239313603] [2024-11-09 05:52:04,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239313603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:04,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:04,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:04,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443342805] [2024-11-09 05:52:04,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:04,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:04,197 INFO L87 Difference]: Start difference. First operand 9968 states and 38431 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:06,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:06,324 INFO L93 Difference]: Finished difference Result 18475 states and 68549 transitions. [2024-11-09 05:52:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:06,325 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:06,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:06,406 INFO L225 Difference]: With dead ends: 18475 [2024-11-09 05:52:06,406 INFO L226 Difference]: Without dead ends: 18398 [2024-11-09 05:52:06,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:06,413 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 325 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:06,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 637 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:52:06,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18398 states. [2024-11-09 05:52:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18398 to 9960. [2024-11-09 05:52:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9960 states, 9959 states have (on average 3.856511697961643) internal successors, (38407), 9959 states have internal predecessors, (38407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 9960 states and 38407 transitions. [2024-11-09 05:52:06,756 INFO L78 Accepts]: Start accepts. Automaton has 9960 states and 38407 transitions. Word has length 55 [2024-11-09 05:52:06,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:06,756 INFO L471 AbstractCegarLoop]: Abstraction has 9960 states and 38407 transitions. [2024-11-09 05:52:06,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9960 states and 38407 transitions. [2024-11-09 05:52:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:06,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:06,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:06,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2024-11-09 05:52:06,777 INFO L396 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:06,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:06,778 INFO L85 PathProgramCache]: Analyzing trace with hash -775285482, now seen corresponding path program 181 times [2024-11-09 05:52:06,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:06,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588914027] [2024-11-09 05:52:06,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:08,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:08,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588914027] [2024-11-09 05:52:08,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588914027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:08,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:08,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:08,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350289400] [2024-11-09 05:52:08,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:08,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:08,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:08,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:08,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:08,044 INFO L87 Difference]: Start difference. First operand 9960 states and 38407 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:10,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:10,100 INFO L93 Difference]: Finished difference Result 18427 states and 68405 transitions. [2024-11-09 05:52:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:10,101 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:10,183 INFO L225 Difference]: With dead ends: 18427 [2024-11-09 05:52:10,183 INFO L226 Difference]: Without dead ends: 18355 [2024-11-09 05:52:10,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:10,191 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 316 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:10,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 582 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:52:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18355 states. [2024-11-09 05:52:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18355 to 9970. [2024-11-09 05:52:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 9969 states have (on average 3.8551509680008027) internal successors, (38432), 9969 states have internal predecessors, (38432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 38432 transitions. [2024-11-09 05:52:10,536 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 38432 transitions. Word has length 55 [2024-11-09 05:52:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:10,536 INFO L471 AbstractCegarLoop]: Abstraction has 9970 states and 38432 transitions. [2024-11-09 05:52:10,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 38432 transitions. [2024-11-09 05:52:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:10,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:10,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:10,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2024-11-09 05:52:10,558 INFO L396 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:10,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash -612487370, now seen corresponding path program 182 times [2024-11-09 05:52:10,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:10,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954386181] [2024-11-09 05:52:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:11,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:11,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954386181] [2024-11-09 05:52:11,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954386181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:11,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:11,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083153694] [2024-11-09 05:52:11,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:11,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:11,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:11,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:11,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:11,925 INFO L87 Difference]: Start difference. First operand 9970 states and 38432 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:14,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:14,092 INFO L93 Difference]: Finished difference Result 18375 states and 68274 transitions. [2024-11-09 05:52:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:14,093 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:14,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:14,212 INFO L225 Difference]: With dead ends: 18375 [2024-11-09 05:52:14,212 INFO L226 Difference]: Without dead ends: 18280 [2024-11-09 05:52:14,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:14,222 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 331 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:14,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 560 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18280 states. [2024-11-09 05:52:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18280 to 9944. [2024-11-09 05:52:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9944 states, 9943 states have (on average 3.8582922659157197) internal successors, (38363), 9943 states have internal predecessors, (38363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9944 states to 9944 states and 38363 transitions. [2024-11-09 05:52:14,703 INFO L78 Accepts]: Start accepts. Automaton has 9944 states and 38363 transitions. Word has length 55 [2024-11-09 05:52:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:14,704 INFO L471 AbstractCegarLoop]: Abstraction has 9944 states and 38363 transitions. [2024-11-09 05:52:14,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 9944 states and 38363 transitions. [2024-11-09 05:52:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:14,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:14,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:14,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2024-11-09 05:52:14,735 INFO L396 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:14,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:14,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2045579592, now seen corresponding path program 183 times [2024-11-09 05:52:14,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355741713] [2024-11-09 05:52:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:16,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:16,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355741713] [2024-11-09 05:52:16,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355741713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:16,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:16,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367235346] [2024-11-09 05:52:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:16,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:16,092 INFO L87 Difference]: Start difference. First operand 9944 states and 38363 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:18,180 INFO L93 Difference]: Finished difference Result 18352 states and 68211 transitions. [2024-11-09 05:52:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:18,180 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:18,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:18,262 INFO L225 Difference]: With dead ends: 18352 [2024-11-09 05:52:18,262 INFO L226 Difference]: Without dead ends: 18239 [2024-11-09 05:52:18,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:18,269 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 318 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:18,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 527 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:18,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18239 states. [2024-11-09 05:52:18,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18239 to 10032. [2024-11-09 05:52:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 3.8519589273252914) internal successors, (38639), 10031 states have internal predecessors, (38639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 38639 transitions. [2024-11-09 05:52:18,761 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 38639 transitions. Word has length 55 [2024-11-09 05:52:18,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:18,761 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 38639 transitions. [2024-11-09 05:52:18,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:18,762 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 38639 transitions. [2024-11-09 05:52:18,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:18,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:18,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:18,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2024-11-09 05:52:18,792 INFO L396 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:18,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:18,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1047845850, now seen corresponding path program 184 times [2024-11-09 05:52:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:18,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172991668] [2024-11-09 05:52:18,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:20,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:20,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172991668] [2024-11-09 05:52:20,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172991668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:20,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:20,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:20,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402818404] [2024-11-09 05:52:20,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:20,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:20,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:20,239 INFO L87 Difference]: Start difference. First operand 10032 states and 38639 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:22,219 INFO L93 Difference]: Finished difference Result 18381 states and 68245 transitions. [2024-11-09 05:52:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:22,220 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:22,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:22,300 INFO L225 Difference]: With dead ends: 18381 [2024-11-09 05:52:22,300 INFO L226 Difference]: Without dead ends: 18316 [2024-11-09 05:52:22,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:22,307 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 345 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:22,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 585 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18316 states. [2024-11-09 05:52:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18316 to 10040. [2024-11-09 05:52:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 10039 states have (on average 3.850881561908557) internal successors, (38659), 10039 states have internal predecessors, (38659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 38659 transitions. [2024-11-09 05:52:22,716 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 38659 transitions. Word has length 55 [2024-11-09 05:52:22,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:22,716 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 38659 transitions. [2024-11-09 05:52:22,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 38659 transitions. [2024-11-09 05:52:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:22,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:22,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2024-11-09 05:52:22,743 INFO L396 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:22,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1362135112, now seen corresponding path program 185 times [2024-11-09 05:52:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:22,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813992900] [2024-11-09 05:52:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:24,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:24,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813992900] [2024-11-09 05:52:24,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813992900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:24,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:24,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:24,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900375637] [2024-11-09 05:52:24,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:24,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:24,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:24,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:24,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:24,120 INFO L87 Difference]: Start difference. First operand 10040 states and 38659 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:26,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:26,223 INFO L93 Difference]: Finished difference Result 18316 states and 68075 transitions. [2024-11-09 05:52:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:52:26,224 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:26,303 INFO L225 Difference]: With dead ends: 18316 [2024-11-09 05:52:26,303 INFO L226 Difference]: Without dead ends: 18215 [2024-11-09 05:52:26,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:26,310 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 319 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:26,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 502 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:52:26,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18215 states. [2024-11-09 05:52:26,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18215 to 10008. [2024-11-09 05:52:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10008 states, 10007 states have (on average 3.8528030378734885) internal successors, (38555), 10007 states have internal predecessors, (38555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 38555 transitions. [2024-11-09 05:52:26,657 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 38555 transitions. Word has length 55 [2024-11-09 05:52:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:26,657 INFO L471 AbstractCegarLoop]: Abstraction has 10008 states and 38555 transitions. [2024-11-09 05:52:26,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 38555 transitions. [2024-11-09 05:52:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:26,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:26,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:26,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2024-11-09 05:52:26,679 INFO L396 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:26,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1491954476, now seen corresponding path program 186 times [2024-11-09 05:52:26,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:26,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725605082] [2024-11-09 05:52:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:26,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:27,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:27,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725605082] [2024-11-09 05:52:27,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725605082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:27,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:27,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:27,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508829861] [2024-11-09 05:52:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:27,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:27,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:27,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:27,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:27,985 INFO L87 Difference]: Start difference. First operand 10008 states and 38555 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:30,071 INFO L93 Difference]: Finished difference Result 18320 states and 68087 transitions. [2024-11-09 05:52:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:30,071 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:30,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:30,153 INFO L225 Difference]: With dead ends: 18320 [2024-11-09 05:52:30,153 INFO L226 Difference]: Without dead ends: 18255 [2024-11-09 05:52:30,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:30,160 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 316 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:30,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 523 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:30,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18255 states. [2024-11-09 05:52:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18255 to 10032. [2024-11-09 05:52:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 3.8511613996610508) internal successors, (38631), 10031 states have internal predecessors, (38631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 38631 transitions. [2024-11-09 05:52:30,508 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 38631 transitions. Word has length 55 [2024-11-09 05:52:30,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:30,508 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 38631 transitions. [2024-11-09 05:52:30,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 38631 transitions. [2024-11-09 05:52:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:30,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:30,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:30,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2024-11-09 05:52:30,530 INFO L396 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:30,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:30,530 INFO L85 PathProgramCache]: Analyzing trace with hash 393031858, now seen corresponding path program 187 times [2024-11-09 05:52:30,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:30,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488765163] [2024-11-09 05:52:30,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:30,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:31,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:31,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488765163] [2024-11-09 05:52:31,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488765163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:31,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:31,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:31,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461446842] [2024-11-09 05:52:31,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:31,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:31,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:31,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:31,852 INFO L87 Difference]: Start difference. First operand 10032 states and 38631 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:33,772 INFO L93 Difference]: Finished difference Result 18324 states and 68091 transitions. [2024-11-09 05:52:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:33,876 INFO L225 Difference]: With dead ends: 18324 [2024-11-09 05:52:33,876 INFO L226 Difference]: Without dead ends: 18247 [2024-11-09 05:52:33,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:33,885 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 324 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:33,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 545 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:52:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18247 states. [2024-11-09 05:52:34,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18247 to 10024. [2024-11-09 05:52:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10024 states, 10023 states have (on average 3.851441684126509) internal successors, (38603), 10023 states have internal predecessors, (38603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 38603 transitions. [2024-11-09 05:52:34,232 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 38603 transitions. Word has length 55 [2024-11-09 05:52:34,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:34,233 INFO L471 AbstractCegarLoop]: Abstraction has 10024 states and 38603 transitions. [2024-11-09 05:52:34,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 38603 transitions. [2024-11-09 05:52:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:34,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:34,254 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:34,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2024-11-09 05:52:34,254 INFO L396 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:34,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:34,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1288805052, now seen corresponding path program 188 times [2024-11-09 05:52:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:34,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428155332] [2024-11-09 05:52:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:34,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:35,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428155332] [2024-11-09 05:52:35,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428155332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:35,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:35,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:35,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299350573] [2024-11-09 05:52:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:35,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:35,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:35,563 INFO L87 Difference]: Start difference. First operand 10024 states and 38603 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:37,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:37,505 INFO L93 Difference]: Finished difference Result 18247 states and 67889 transitions. [2024-11-09 05:52:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:52:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:37,588 INFO L225 Difference]: With dead ends: 18247 [2024-11-09 05:52:37,588 INFO L226 Difference]: Without dead ends: 18058 [2024-11-09 05:52:37,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:52:37,595 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 274 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:37,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 545 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:52:37,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18058 states. [2024-11-09 05:52:37,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18058 to 9944. [2024-11-09 05:52:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9944 states, 9943 states have (on average 3.8550739213517047) internal successors, (38331), 9943 states have internal predecessors, (38331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9944 states to 9944 states and 38331 transitions. [2024-11-09 05:52:38,067 INFO L78 Accepts]: Start accepts. Automaton has 9944 states and 38331 transitions. Word has length 55 [2024-11-09 05:52:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:38,067 INFO L471 AbstractCegarLoop]: Abstraction has 9944 states and 38331 transitions. [2024-11-09 05:52:38,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 9944 states and 38331 transitions. [2024-11-09 05:52:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:38,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:38,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:38,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2024-11-09 05:52:38,088 INFO L396 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:38,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1507695348, now seen corresponding path program 189 times [2024-11-09 05:52:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:38,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447240443] [2024-11-09 05:52:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:39,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:39,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447240443] [2024-11-09 05:52:39,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447240443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:39,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:39,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:39,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829227770] [2024-11-09 05:52:39,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:39,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:39,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:39,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:39,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:39,264 INFO L87 Difference]: Start difference. First operand 9944 states and 38331 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:42,161 INFO L93 Difference]: Finished difference Result 18369 states and 68219 transitions. [2024-11-09 05:52:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:52:42,162 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:42,243 INFO L225 Difference]: With dead ends: 18369 [2024-11-09 05:52:42,243 INFO L226 Difference]: Without dead ends: 18304 [2024-11-09 05:52:42,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:52:42,250 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 326 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:42,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 609 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 05:52:42,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18304 states. [2024-11-09 05:52:42,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18304 to 9964. [2024-11-09 05:52:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 9963 states have (on average 3.8541603934557864) internal successors, (38399), 9963 states have internal predecessors, (38399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 38399 transitions. [2024-11-09 05:52:42,633 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 38399 transitions. Word has length 55 [2024-11-09 05:52:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:42,633 INFO L471 AbstractCegarLoop]: Abstraction has 9964 states and 38399 transitions. [2024-11-09 05:52:42,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 38399 transitions. [2024-11-09 05:52:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:42,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:42,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:42,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2024-11-09 05:52:42,666 INFO L396 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:42,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1701111212, now seen corresponding path program 190 times [2024-11-09 05:52:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:42,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991917315] [2024-11-09 05:52:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:42,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:44,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:44,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991917315] [2024-11-09 05:52:44,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991917315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:44,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:44,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:44,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392118645] [2024-11-09 05:52:44,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:44,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:44,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:44,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:44,067 INFO L87 Difference]: Start difference. First operand 9964 states and 38399 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:46,324 INFO L93 Difference]: Finished difference Result 18328 states and 68086 transitions. [2024-11-09 05:52:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:52:46,325 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:46,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:46,407 INFO L225 Difference]: With dead ends: 18328 [2024-11-09 05:52:46,408 INFO L226 Difference]: Without dead ends: 18248 [2024-11-09 05:52:46,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:52:46,415 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 312 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:46,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 535 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:46,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18248 states. [2024-11-09 05:52:46,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18248 to 9956. [2024-11-09 05:52:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.8548468106479157) internal successors, (38375), 9955 states have internal predecessors, (38375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38375 transitions. [2024-11-09 05:52:46,757 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38375 transitions. Word has length 55 [2024-11-09 05:52:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:46,757 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38375 transitions. [2024-11-09 05:52:46,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38375 transitions. [2024-11-09 05:52:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:46,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:46,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:46,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2024-11-09 05:52:46,779 INFO L396 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:46,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:46,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2035497772, now seen corresponding path program 191 times [2024-11-09 05:52:46,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:46,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033332614] [2024-11-09 05:52:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:46,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:47,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:47,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033332614] [2024-11-09 05:52:47,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033332614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:47,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:47,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:47,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729463912] [2024-11-09 05:52:47,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:47,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:47,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:47,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:47,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:47,960 INFO L87 Difference]: Start difference. First operand 9956 states and 38375 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:50,264 INFO L93 Difference]: Finished difference Result 18390 states and 68245 transitions. [2024-11-09 05:52:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:52:50,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:50,349 INFO L225 Difference]: With dead ends: 18390 [2024-11-09 05:52:50,349 INFO L226 Difference]: Without dead ends: 18325 [2024-11-09 05:52:50,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:52:50,356 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 329 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:50,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 617 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:52:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18325 states. [2024-11-09 05:52:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18325 to 9964. [2024-11-09 05:52:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 9963 states have (on average 3.85375890795945) internal successors, (38395), 9963 states have internal predecessors, (38395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 38395 transitions. [2024-11-09 05:52:50,700 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 38395 transitions. Word has length 55 [2024-11-09 05:52:50,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:50,701 INFO L471 AbstractCegarLoop]: Abstraction has 9964 states and 38395 transitions. [2024-11-09 05:52:50,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 38395 transitions. [2024-11-09 05:52:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:50,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:50,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:50,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2024-11-09 05:52:50,721 INFO L396 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:50,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1582899628, now seen corresponding path program 192 times [2024-11-09 05:52:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:50,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379669697] [2024-11-09 05:52:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:52,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:52,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379669697] [2024-11-09 05:52:52,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379669697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:52,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:52,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632528423] [2024-11-09 05:52:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:52,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:52,126 INFO L87 Difference]: Start difference. First operand 9964 states and 38395 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:54,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:54,717 INFO L93 Difference]: Finished difference Result 18345 states and 68135 transitions. [2024-11-09 05:52:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:52:54,718 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:54,798 INFO L225 Difference]: With dead ends: 18345 [2024-11-09 05:52:54,798 INFO L226 Difference]: Without dead ends: 18268 [2024-11-09 05:52:54,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:52:54,805 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 289 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:54,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 576 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:52:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2024-11-09 05:52:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 9956. [2024-11-09 05:52:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9956 states, 9955 states have (on average 3.854445002511301) internal successors, (38371), 9955 states have internal predecessors, (38371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 38371 transitions. [2024-11-09 05:52:55,145 INFO L78 Accepts]: Start accepts. Automaton has 9956 states and 38371 transitions. Word has length 55 [2024-11-09 05:52:55,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:55,145 INFO L471 AbstractCegarLoop]: Abstraction has 9956 states and 38371 transitions. [2024-11-09 05:52:55,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 9956 states and 38371 transitions. [2024-11-09 05:52:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:55,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:55,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:55,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2024-11-09 05:52:55,166 INFO L396 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:55,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:55,167 INFO L85 PathProgramCache]: Analyzing trace with hash -16165260, now seen corresponding path program 193 times [2024-11-09 05:52:55,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:55,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840340485] [2024-11-09 05:52:55,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:55,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:56,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:56,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840340485] [2024-11-09 05:52:56,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840340485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:56,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:56,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:52:56,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495389026] [2024-11-09 05:52:56,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:56,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:52:56,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:56,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:52:56,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:52:56,372 INFO L87 Difference]: Start difference. First operand 9956 states and 38371 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:58,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:58,627 INFO L93 Difference]: Finished difference Result 18399 states and 68267 transitions. [2024-11-09 05:52:58,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:52:58,628 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:52:58,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:58,709 INFO L225 Difference]: With dead ends: 18399 [2024-11-09 05:52:58,709 INFO L226 Difference]: Without dead ends: 18327 [2024-11-09 05:52:58,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:52:58,717 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 346 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:58,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 520 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:52:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18327 states. [2024-11-09 05:52:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18327 to 9966. [2024-11-09 05:52:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 9965 states have (on average 3.8530858003010535) internal successors, (38396), 9965 states have internal predecessors, (38396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 38396 transitions. [2024-11-09 05:52:59,056 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 38396 transitions. Word has length 55 [2024-11-09 05:52:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:59,056 INFO L471 AbstractCegarLoop]: Abstraction has 9966 states and 38396 transitions. [2024-11-09 05:52:59,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 38396 transitions. [2024-11-09 05:52:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:52:59,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:59,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:59,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2024-11-09 05:52:59,076 INFO L396 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:52:59,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 146632852, now seen corresponding path program 194 times [2024-11-09 05:52:59,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:59,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036227220] [2024-11-09 05:52:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:00,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036227220] [2024-11-09 05:53:00,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036227220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:00,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:00,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:53:00,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864167419] [2024-11-09 05:53:00,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:00,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:53:00,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:00,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:53:00,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:53:00,230 INFO L87 Difference]: Start difference. First operand 9966 states and 38396 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:02,593 INFO L93 Difference]: Finished difference Result 18347 states and 68136 transitions. [2024-11-09 05:53:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:53:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:53:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:02,705 INFO L225 Difference]: With dead ends: 18347 [2024-11-09 05:53:02,705 INFO L226 Difference]: Without dead ends: 18264 [2024-11-09 05:53:02,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:53:02,713 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 307 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:02,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 596 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:53:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18264 states. [2024-11-09 05:53:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18264 to 9952. [2024-11-09 05:53:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9952 states, 9951 states have (on average 3.854788463471008) internal successors, (38359), 9951 states have internal predecessors, (38359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9952 states to 9952 states and 38359 transitions. [2024-11-09 05:53:03,139 INFO L78 Accepts]: Start accepts. Automaton has 9952 states and 38359 transitions. Word has length 55 [2024-11-09 05:53:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:03,140 INFO L471 AbstractCegarLoop]: Abstraction has 9952 states and 38359 transitions. [2024-11-09 05:53:03,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9952 states and 38359 transitions. [2024-11-09 05:53:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:53:03,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:03,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:03,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2024-11-09 05:53:03,159 INFO L396 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:53:03,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash -627820522, now seen corresponding path program 195 times [2024-11-09 05:53:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:03,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818089239] [2024-11-09 05:53:03,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:04,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:04,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818089239] [2024-11-09 05:53:04,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818089239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:04,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:04,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:53:04,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100722147] [2024-11-09 05:53:04,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:04,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:53:04,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:53:04,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:53:04,419 INFO L87 Difference]: Start difference. First operand 9952 states and 38359 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:06,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:06,781 INFO L93 Difference]: Finished difference Result 18425 states and 68375 transitions. [2024-11-09 05:53:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:53:06,781 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:53:06,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:06,857 INFO L225 Difference]: With dead ends: 18425 [2024-11-09 05:53:06,857 INFO L226 Difference]: Without dead ends: 18360 [2024-11-09 05:53:06,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:53:06,864 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 309 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:06,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 622 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:53:06,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18360 states. [2024-11-09 05:53:07,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18360 to 9976. [2024-11-09 05:53:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9976 states, 9975 states have (on average 3.8531328320802003) internal successors, (38435), 9975 states have internal predecessors, (38435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:07,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 38435 transitions. [2024-11-09 05:53:07,186 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 38435 transitions. Word has length 55 [2024-11-09 05:53:07,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:07,186 INFO L471 AbstractCegarLoop]: Abstraction has 9976 states and 38435 transitions. [2024-11-09 05:53:07,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 38435 transitions. [2024-11-09 05:53:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:53:07,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:07,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:07,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2024-11-09 05:53:07,206 INFO L396 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:53:07,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash -175222378, now seen corresponding path program 196 times [2024-11-09 05:53:07,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:07,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364414880] [2024-11-09 05:53:07,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:07,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:08,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364414880] [2024-11-09 05:53:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364414880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:08,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:08,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:53:08,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507335610] [2024-11-09 05:53:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:08,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:53:08,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:53:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:53:08,574 INFO L87 Difference]: Start difference. First operand 9976 states and 38435 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:10,606 INFO L93 Difference]: Finished difference Result 18381 states and 68235 transitions. [2024-11-09 05:53:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:53:10,607 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:53:10,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:10,682 INFO L225 Difference]: With dead ends: 18381 [2024-11-09 05:53:10,682 INFO L226 Difference]: Without dead ends: 18304 [2024-11-09 05:53:10,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:53:10,689 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 320 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:10,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 517 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:53:10,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18304 states. [2024-11-09 05:53:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18304 to 9968. [2024-11-09 05:53:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 3.8534162737032207) internal successors, (38407), 9967 states have internal predecessors, (38407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 38407 transitions. [2024-11-09 05:53:11,009 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 38407 transitions. Word has length 55 [2024-11-09 05:53:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:11,009 INFO L471 AbstractCegarLoop]: Abstraction has 9968 states and 38407 transitions. [2024-11-09 05:53:11,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 38407 transitions. [2024-11-09 05:53:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:53:11,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:11,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:11,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2024-11-09 05:53:11,030 INFO L396 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:53:11,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:11,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1548184252, now seen corresponding path program 197 times [2024-11-09 05:53:11,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:11,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220582953] [2024-11-09 05:53:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:12,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220582953] [2024-11-09 05:53:12,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220582953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:12,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:12,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:53:12,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423284700] [2024-11-09 05:53:12,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:12,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:53:12,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:53:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:53:12,131 INFO L87 Difference]: Start difference. First operand 9968 states and 38407 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:14,097 INFO L93 Difference]: Finished difference Result 18344 states and 68153 transitions. [2024-11-09 05:53:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 05:53:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:53:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:14,174 INFO L225 Difference]: With dead ends: 18344 [2024-11-09 05:53:14,174 INFO L226 Difference]: Without dead ends: 18219 [2024-11-09 05:53:14,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:53:14,181 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 267 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:14,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 624 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:53:14,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18219 states. [2024-11-09 05:53:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18219 to 9952. [2024-11-09 05:53:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9952 states, 9951 states have (on average 3.853984524168425) internal successors, (38351), 9951 states have internal predecessors, (38351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9952 states to 9952 states and 38351 transitions. [2024-11-09 05:53:14,503 INFO L78 Accepts]: Start accepts. Automaton has 9952 states and 38351 transitions. Word has length 55 [2024-11-09 05:53:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:14,503 INFO L471 AbstractCegarLoop]: Abstraction has 9952 states and 38351 transitions. [2024-11-09 05:53:14,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 9952 states and 38351 transitions. [2024-11-09 05:53:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:53:14,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:14,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:14,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2024-11-09 05:53:14,524 INFO L396 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:53:14,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1353732474, now seen corresponding path program 198 times [2024-11-09 05:53:14,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:14,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688040871] [2024-11-09 05:53:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:15,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:15,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688040871] [2024-11-09 05:53:15,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688040871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:15,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:15,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 05:53:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260457294] [2024-11-09 05:53:15,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:15,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:53:15,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:15,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:53:15,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:53:15,722 INFO L87 Difference]: Start difference. First operand 9952 states and 38351 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:17,585 INFO L93 Difference]: Finished difference Result 18204 states and 67725 transitions. [2024-11-09 05:53:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:53:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-09 05:53:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:17,657 INFO L225 Difference]: With dead ends: 18204 [2024-11-09 05:53:17,657 INFO L226 Difference]: Without dead ends: 18132 [2024-11-09 05:53:17,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:53:17,663 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 307 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:17,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 473 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:53:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18132 states. [2024-11-09 05:53:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18132 to 9982. [2024-11-09 05:53:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9982 states, 9981 states have (on average 3.85191864542631) internal successors, (38446), 9981 states have internal predecessors, (38446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 38446 transitions. [2024-11-09 05:53:17,966 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 38446 transitions. Word has length 55 [2024-11-09 05:53:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:17,967 INFO L471 AbstractCegarLoop]: Abstraction has 9982 states and 38446 transitions. [2024-11-09 05:53:17,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 38446 transitions. [2024-11-09 05:53:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 05:53:17,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:17,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:17,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2024-11-09 05:53:17,987 INFO L396 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 05:53:17,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1190934362, now seen corresponding path program 199 times [2024-11-09 05:53:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:17,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535497343] [2024-11-09 05:53:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat