./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/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_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/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-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:34:43,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:34:43,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 05:34:43,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:34:43,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:34:43,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:34:43,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:34:43,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:34:43,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:34:43,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:34:43,812 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:34:43,812 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:34:43,813 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:34:43,814 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:34:43,816 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:34:43,816 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:34:43,817 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:34:43,817 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:34:43,817 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:34:43,818 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:34:43,818 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:34:43,824 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:34:43,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:34:43,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:34:43,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:34:43,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:34:43,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:34:43,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:34:43,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:34:43,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:34:43,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:34:43,826 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:34:43,827 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:34:43,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:34:43,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:34:43,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:34:43,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:34:43,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:34:43,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:34:43,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:34:43,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:34:43,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:34:43,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:34:43,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:34:43,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:34:43,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:34:43,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:34:43,842 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:34:43,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:34:43,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:34:43,843 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:34:43,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:34:43,843 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_ac310c94-1dec-4271-a565-ebdca1e1631b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2024-11-09 05:34:44,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:34:44,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:34:44,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:34:44,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:34:44,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:34:44,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i Unable to find full path for "g++" [2024-11-09 05:34:46,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:34:46,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:34:46,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2024-11-09 05:34:46,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/data/2f892ad75/ba7d08f105cd4509ad9e1f02af3edeaf/FLAG1007bf2c6 [2024-11-09 05:34:46,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/data/2f892ad75/ba7d08f105cd4509ad9e1f02af3edeaf [2024-11-09 05:34:46,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:34:46,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:34:46,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:34:46,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:34:46,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:34:46,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:34:46" (1/1) ... [2024-11-09 05:34:46,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cea688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:46, skipping insertion in model container [2024-11-09 05:34:46,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:34:46" (1/1) ... [2024-11-09 05:34:46,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:34:47,363 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,395 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,403 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,410 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,422 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,489 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,490 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,493 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,494 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:47,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:34:47,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:34:47,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:34:47,708 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:34:47,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47 WrapperNode [2024-11-09 05:34:47,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:34:47,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:34:47,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:34:47,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:34:47,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,841 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1272 [2024-11-09 05:34:47,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:34:47,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:34:47,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:34:47,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:34:47,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:47,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:34:47,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:34:47,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:34:47,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:34:47,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (1/1) ... [2024-11-09 05:34:48,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:34:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:34:48,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:34:48,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:34:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 05:34:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 05:34:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:34:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:34:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:34:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:34:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:34:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:34:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:34:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:34:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:34:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:34:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:34:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:34:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:34:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:34:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:34:48,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:34:48,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:34:50,283 INFO L? ?]: Removed 300 outVars from TransFormulas that were not future-live. [2024-11-09 05:34:50,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:34:52,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:34:52,180 INFO L316 CfgBuilder]: Removed 50 assume(true) statements. [2024-11-09 05:34:52,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:34:52 BoogieIcfgContainer [2024-11-09 05:34:52,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:34:52,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:34:52,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:34:52,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:34:52,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:34:46" (1/3) ... [2024-11-09 05:34:52,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4c684e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:34:52, skipping insertion in model container [2024-11-09 05:34:52,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:47" (2/3) ... [2024-11-09 05:34:52,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4c684e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:34:52, skipping insertion in model container [2024-11-09 05:34:52,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:34:52" (3/3) ... [2024-11-09 05:34:52,193 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2024-11-09 05:34:52,215 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:34:52,216 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:34:52,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:34:52,289 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;@24e5a08a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:34:52,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:34:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 112 states have (on average 1.7321428571428572) internal successors, (194), 121 states have internal predecessors, (194), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:34:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 05:34:52,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:34:52,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 05:34:52,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:34:52,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:34:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash 138854701, now seen corresponding path program 1 times [2024-11-09 05:34:52,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:34:52,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704688044] [2024-11-09 05:34:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:34:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:34:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:34:52,524 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 05:34:52,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:34:52,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704688044] [2024-11-09 05:34:52,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704688044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:34:52,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:34:52,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:34:52,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056913939] [2024-11-09 05:34:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:34:52,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:34:52,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:34:52,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:34:52,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:34:52,578 INFO L87 Difference]: Start difference. First operand has 128 states, 112 states have (on average 1.7321428571428572) internal successors, (194), 121 states have internal predecessors, (194), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:34:54,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:56,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:58,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:00,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:00,684 INFO L93 Difference]: Finished difference Result 126 states and 156 transitions. [2024-11-09 05:35:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:35:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2024-11-09 05:35:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:00,703 INFO L225 Difference]: With dead ends: 126 [2024-11-09 05:35:00,703 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 05:35:00,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:35:00,711 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:00,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2024-11-09 05:35:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 05:35:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-09 05:35:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 118 states have internal predecessors, (137), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:35:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 155 transitions. [2024-11-09 05:35:00,774 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 155 transitions. Word has length 6 [2024-11-09 05:35:00,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:00,774 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 155 transitions. [2024-11-09 05:35:00,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-11-09 05:35:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:35:00,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:00,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:00,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:35:00,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:35:00,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:00,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1515204757, now seen corresponding path program 1 times [2024-11-09 05:35:00,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:00,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310312342] [2024-11-09 05:35:00,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:01,028 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 05:35:01,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310312342] [2024-11-09 05:35:01,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310312342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:01,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:35:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31127245] [2024-11-09 05:35:01,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:01,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:01,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:01,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:01,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:01,033 INFO L87 Difference]: Start difference. First operand 125 states and 155 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:03,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:05,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:07,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:09,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:11,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:13,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:16,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:18,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:20,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:22,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:24,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:26,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:28,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:29,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:30,902 INFO L93 Difference]: Finished difference Result 195 states and 248 transitions. [2024-11-09 05:35:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2024-11-09 05:35:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:30,908 INFO L225 Difference]: With dead ends: 195 [2024-11-09 05:35:30,908 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 05:35:30,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:35:30,909 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 78 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:30,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 363 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 13 Unknown, 0 Unchecked, 29.8s Time] [2024-11-09 05:35:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 05:35:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 127. [2024-11-09 05:35:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 120 states have internal predecessors, (139), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:35:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 157 transitions. [2024-11-09 05:35:30,925 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 157 transitions. Word has length 8 [2024-11-09 05:35:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:30,926 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 157 transitions. [2024-11-09 05:35:30,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 157 transitions. [2024-11-09 05:35:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:35:30,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:30,928 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:30,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:35:30,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:35:30,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:30,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1269928830, now seen corresponding path program 1 times [2024-11-09 05:35:30,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:30,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388287827] [2024-11-09 05:35:30,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:31,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:31,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388287827] [2024-11-09 05:35:31,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388287827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:31,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:31,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:31,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84078294] [2024-11-09 05:35:31,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:31,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:31,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:31,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:31,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:31,279 INFO L87 Difference]: Start difference. First operand 127 states and 157 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:33,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:35,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:36,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:38,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:40,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:42,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:44,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:46,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:50,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:50,708 INFO L93 Difference]: Finished difference Result 181 states and 226 transitions. [2024-11-09 05:35:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:50,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2024-11-09 05:35:50,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:50,716 INFO L225 Difference]: With dead ends: 181 [2024-11-09 05:35:50,716 INFO L226 Difference]: Without dead ends: 181 [2024-11-09 05:35:50,716 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 05:35:50,718 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 45 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:50,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 284 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 8 Unknown, 0 Unchecked, 19.4s Time] [2024-11-09 05:35:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-09 05:35:50,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2024-11-09 05:35:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 158 states have (on average 1.2341772151898733) internal successors, (195), 170 states have internal predecessors, (195), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 05:35:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2024-11-09 05:35:50,733 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 37 [2024-11-09 05:35:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:50,734 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2024-11-09 05:35:50,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2024-11-09 05:35:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 05:35:50,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:50,736 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:50,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:35:50,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:35:50,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1061211919, now seen corresponding path program 1 times [2024-11-09 05:35:50,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:50,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172142199] [2024-11-09 05:35:50,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:50,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:35:51,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:51,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172142199] [2024-11-09 05:35:51,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172142199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:51,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:51,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:35:51,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700325157] [2024-11-09 05:35:51,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:51,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:51,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:51,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:51,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:51,477 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:35:53,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:55,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:57,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:59,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:01,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:03,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:05,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:07,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:09,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:11,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:13,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:15,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:17,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:19,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:21,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:23,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:25,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:27,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:29,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:36:29,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:29,661 INFO L93 Difference]: Finished difference Result 245 states and 322 transitions. [2024-11-09 05:36:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:29,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2024-11-09 05:36:29,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:29,668 INFO L225 Difference]: With dead ends: 245 [2024-11-09 05:36:29,669 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 05:36:29,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:29,671 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 77 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:29,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 359 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 16 Unknown, 0 Unchecked, 38.1s Time] [2024-11-09 05:36:29,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 05:36:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 179. [2024-11-09 05:36:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.23125) internal successors, (197), 172 states have internal predecessors, (197), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 05:36:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2024-11-09 05:36:29,699 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 50 [2024-11-09 05:36:29,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:29,699 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2024-11-09 05:36:29,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2024-11-09 05:36:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:36:29,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:29,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:29,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:36:29,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:36:29,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:29,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1449320648, now seen corresponding path program 1 times [2024-11-09 05:36:29,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:29,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397866639] [2024-11-09 05:36:29,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:29,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:36:30,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:30,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397866639] [2024-11-09 05:36:30,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397866639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:30,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:30,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:36:30,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394451631] [2024-11-09 05:36:30,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:30,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:36:30,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:30,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:36:30,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:30,399 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:32,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:34,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:36,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:38,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:39,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:42,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:44,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:46,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:48,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:50,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:52,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:54,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:56,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:58,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:59,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:59,463 INFO L93 Difference]: Finished difference Result 233 states and 288 transitions. [2024-11-09 05:36:59,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:36:59,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2024-11-09 05:36:59,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:59,466 INFO L225 Difference]: With dead ends: 233 [2024-11-09 05:36:59,466 INFO L226 Difference]: Without dead ends: 233 [2024-11-09 05:36:59,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:36:59,467 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 294 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:59,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 318 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 13 Unknown, 0 Unchecked, 29.0s Time] [2024-11-09 05:36:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-09 05:36:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2024-11-09 05:36:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 131 states have (on average 1.1984732824427482) internal successors, (157), 138 states have internal predecessors, (157), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 175 transitions. [2024-11-09 05:36:59,476 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 175 transitions. Word has length 67 [2024-11-09 05:36:59,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:59,477 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 175 transitions. [2024-11-09 05:36:59,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2024-11-09 05:36:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 05:36:59,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:59,479 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:36:59,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:36:59,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:36:59,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:59,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1776756930, now seen corresponding path program 1 times [2024-11-09 05:36:59,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:59,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857130319] [2024-11-09 05:36:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:37:01,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:01,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857130319] [2024-11-09 05:37:01,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857130319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:01,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827253829] [2024-11-09 05:37:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:01,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:01,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:01,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:01,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:37:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:16,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:37:16,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:37:16,722 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:16,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827253829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:16,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:37:16,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-09 05:37:16,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898391416] [2024-11-09 05:37:16,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:16,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:16,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:16,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:16,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:16,725 INFO L87 Difference]: Start difference. First operand 145 states and 175 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:37:18,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:20,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:22,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:24,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:26,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:28,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:30,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:32,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:34,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:36,134 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2024-11-09 05:37:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:36,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2024-11-09 05:37:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:36,143 INFO L225 Difference]: With dead ends: 147 [2024-11-09 05:37:36,143 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 05:37:36,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:36,146 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:36,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 398 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 8 Unknown, 0 Unchecked, 19.4s Time] [2024-11-09 05:37:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 05:37:36,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 05:37:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 132 states have (on average 1.2045454545454546) internal successors, (159), 140 states have internal predecessors, (159), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-09 05:37:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 178 transitions. [2024-11-09 05:37:36,156 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 178 transitions. Word has length 75 [2024-11-09 05:37:36,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:36,156 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 178 transitions. [2024-11-09 05:37:36,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:37:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2024-11-09 05:37:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:37:36,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:36,159 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:36,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:36,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:36,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:37:36,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash 670072378, now seen corresponding path program 1 times [2024-11-09 05:37:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972024166] [2024-11-09 05:37:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:37:38,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:38,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972024166] [2024-11-09 05:37:38,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972024166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:38,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928154686] [2024-11-09 05:37:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:38,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:38:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:03,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:38:03,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:38:03,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:38:03,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928154686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:03,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1913513732] [2024-11-09 05:38:03,847 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-09 05:38:03,848 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:03,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:03,859 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:03,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:38:22,614 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 136 for LOIs [2024-11-09 05:38:22,813 INFO L197 IcfgInterpreter]: Interpreting procedure reach_error with input of size 78 for LOIs [2024-11-09 05:38:22,851 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:38:45,511 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 225 DAG size of output: 217 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:38:45,522 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36)) (.cse2 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28)) (.cse3 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32))) (and (exists ((|v_#memory_$Pointer$.offset_317| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int)))) (let ((.cse1 (select |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_317| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_317| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse1 .cse0))) |v_#memory_$Pointer$.offset_21|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse1 .cse2 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))))) (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_317| (Array Int (Array Int Int)))) (let ((.cse4 (select |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse4 .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) |c_#memory_$Pointer$.base|) (= (store |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse4 .cse0))) |v_#memory_$Pointer$.base_21|)))) (exists ((|v_#memory_int_418| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int)))) (let ((.cse5 (select |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse2 (select .cse5 .cse2))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse5 .cse3 4)) |c_#memory_int|)))))) is different from true [2024-11-09 05:39:13,793 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse24 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24))) (and (= (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (select (select |c_#memory_$Pointer$.base| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.base|) (exists ((|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_#memory_$Pointer$.base_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_106| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem54#1.base_14| Int) (|v_#length_34| (Array Int Int)) (|v_#memory_int_421| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_320| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_320| (Array Int (Array Int Int))) (|v_#memory_int_130| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int)) (let ((.cse3 (select (select |v_#memory_$Pointer$.base_107| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse4 (select (select |v_#memory_$Pointer$.offset_108| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse39 (select (select |v_#memory_$Pointer$.base_320| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse40 (+ (select (select |v_#memory_$Pointer$.offset_320| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24) 16))) (let ((.cse37 (store |v_#memory_$Pointer$.offset_320| .cse39 (store (select |v_#memory_$Pointer$.offset_320| .cse39) .cse40 .cse24))) (.cse41 (store |v_#memory_$Pointer$.base_320| .cse39 (store (select |v_#memory_$Pointer$.base_320| .cse39) .cse40 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse36 (store |v_#memory_$Pointer$.offset_108| .cse3 (store (select |v_#memory_$Pointer$.offset_108| .cse3) .cse4 0))) (.cse38 (store |v_#memory_$Pointer$.base_107| .cse3 (store (select |v_#memory_$Pointer$.base_107| .cse3) .cse4 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|)))) (let ((.cse13 (select (select .cse38 |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse14 (+ 40 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) .cse24))) (.cse11 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse12 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) .cse24) 4)) (.cse9 (select (select |v_#memory_$Pointer$.base_106| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_107| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24) 8)) (.cse6 (select (select |v_#memory_$Pointer$.base_108| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse7 (+ 20 (select (select |v_#memory_$Pointer$.offset_106| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)))) (and (= (let ((.cse2 (let ((.cse5 (let ((.cse8 (store |v_#memory_int_130| .cse11 (store (select |v_#memory_int_130| .cse11) .cse12 32)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 5))))) (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 8))))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_#memory_int_129| .cse3) .cse4)))) |v_#memory_int_129|) (= (store |v_#memory_int_129| .cse13 (store (select |v_#memory_int_129| .cse13) .cse14 2685476833)) |c_#memory_int|) (= |c_#valid| (store |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1)) (= (store |v_#memory_$Pointer$.offset_106| .cse6 (store (select |v_#memory_$Pointer$.offset_106| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_108| .cse6) .cse7))) |v_#memory_$Pointer$.offset_108|) (let ((.cse25 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36)) (.cse19 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28)) (.cse20 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32))) (let ((.cse15 (exists ((|v_#Ultimate.C_memset_#t~loopctr228_26| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr228_26|) (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr228_26| 4294967296))))) (.cse16 (exists ((|v_#memory_$Pointer$.offset_317| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_318| (Array Int (Array Int Int)))) (let ((.cse35 (select |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_317| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_317| |c_ULTIMATE.start_main_~user~0#1.base|) .cse25 (select .cse35 .cse25))) |v_#memory_$Pointer$.offset_21|) (= (store |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse35 .cse19 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse20 (select (select |v_#memory_$Pointer$.offset_318| |c_ULTIMATE.start_main_~user~0#1.base|) .cse20))) |v_#memory_$Pointer$.offset_318|))))) (.cse22 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 16)) (.cse23 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 12))) (or (and .cse15 .cse16 (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_318| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_317| (Array Int (Array Int Int))) (|v_#valid_51| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int))) (let ((.cse21 (select |v_#memory_$Pointer$.base_318| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse17 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (.cse18 (select |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (select |v_#valid_51| .cse17) 0) (= (store |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse18 .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) .cse20 (select .cse21 .cse20))) |v_#memory_$Pointer$.base_318|) (= (store |v_#length_33| .cse17 44) |v_#length_34|) (not (= .cse17 0)) (= (store |v_#memory_$Pointer$.base_318| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse21 .cse22 0) .cse23 0) .cse24 .cse17)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_14|) (= .cse17 |v_ULTIMATE.start_main_#t~mem54#1.base_14|) (<= (+ .cse17 1) |c_#StackHeapBarrier|) (= (store |v_#valid_51| .cse17 1) |v_#valid_52|) (= (store |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base|) .cse25 (select .cse18 .cse25))) |v_#memory_$Pointer$.base_21|)))) (exists ((|v_#memory_int_418| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_20| (Array Int (Array Int Int))) (|v_#memory_int_420| (Array Int (Array Int Int)))) (let ((.cse26 (select |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse27 (select |v_#memory_int_128| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse28 (select |v_#memory_int_420| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base|) .cse25 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse19 (select .cse26 .cse19))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse26 .cse20 4) .cse22 (select .cse27 .cse22))) |v_#memory_int_128|) (= (store |v_#memory_int_420| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse28 .cse24 (select (select |v_#memory_int_BEFORE_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24))) |v_#memory_int_BEFORE_CALL_20|) (= |v_#memory_int_420| (store |v_#memory_int_128| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse27 .cse23 (select .cse28 .cse23)))))))) (and .cse15 (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_318| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_317| (Array Int (Array Int Int))) (|v_#valid_51| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_13| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int))) (let ((.cse30 (select |v_#memory_$Pointer$.base_318| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse29 (select |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse31 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_13| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24))) (and (= (store |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse29 .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) .cse20 (select .cse30 .cse20))) |v_#memory_$Pointer$.base_318|) (not (= .cse31 0)) (<= (+ .cse31 1) |c_#StackHeapBarrier|) (= .cse31 |v_ULTIMATE.start_main_#t~mem54#1.base_14|) (= (store |v_#valid_51| .cse31 1) |v_#valid_52|) (= (store |v_#memory_$Pointer$.base_318| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse30 .cse22 0) .cse23 0) .cse24 .cse31)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_13|) (= |v_#length_34| (store |v_#length_33| .cse31 44)) (= (store |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~user~0#1.base|) .cse25 (select .cse29 .cse25))) |v_#memory_$Pointer$.base_21|) (= (select |v_#valid_51| .cse31) 0)))) .cse16 (exists ((|v_#memory_int_418| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_18| (Array Int (Array Int Int))) (|v_#memory_int_420| (Array Int (Array Int Int)))) (let ((.cse32 (select |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse34 (select |v_#memory_int_128| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse33 (select |v_#memory_int_420| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_418| |c_ULTIMATE.start_main_~user~0#1.base|) .cse25 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse19 (select .cse32 .cse19))) |v_#memory_int_36|) (= (store |v_#memory_int_420| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse33 .cse24 (select (select |v_#memory_int_BEFORE_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24))) |v_#memory_int_BEFORE_CALL_18|) (= (store |v_#memory_int_36| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse32 .cse20 4) .cse22 (select .cse34 .cse22))) |v_#memory_int_128|) (= |v_#memory_int_420| (store |v_#memory_int_128| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse34 .cse23 (select .cse33 .cse23))))))))))) (= (store |v_#length_34| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|) (= |c_#memory_$Pointer$.offset| (store .cse36 .cse13 (store (select .cse36 .cse13) .cse14 (select (select |c_#memory_$Pointer$.offset| .cse13) .cse14)))) (= (store .cse37 .cse11 (store (select .cse37 .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_107| .cse11) .cse12))) |v_#memory_$Pointer$.offset_107|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.offset_107| .cse9 (store (select |v_#memory_$Pointer$.offset_107| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_106| .cse9) .cse10))) |v_#memory_$Pointer$.offset_106|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= |c_#memory_$Pointer$.base| (store .cse38 .cse13 (store (select .cse38 .cse13) .cse14 (select (select |c_#memory_$Pointer$.base| .cse13) .cse14)))) (= |v_#memory_int_130| (store |v_#memory_int_421| .cse39 (store (select |v_#memory_int_421| .cse39) .cse40 (select (select |v_#memory_int_130| .cse39) .cse40)))) (= (store .cse41 .cse11 (store (select .cse41 .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_106| .cse11) .cse12))) |v_#memory_$Pointer$.base_106|) (= (select |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (= (store |v_#memory_$Pointer$.base_106| .cse9 (store (select |v_#memory_$Pointer$.base_106| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_108| .cse9) .cse10))) |v_#memory_$Pointer$.base_108|) (= (store |v_#memory_$Pointer$.base_108| .cse6 (store (select |v_#memory_$Pointer$.base_108| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_107| .cse6) .cse7))) |v_#memory_$Pointer$.base_107|))))))))) is different from false [2024-11-09 05:39:42,036 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2876#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~_hf_hashv~0#1_469| Int) (|v_ULTIMATE.start_main_~_hf_bkt~0#1_17| Int) (|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1| Int)) (and (or (and (or (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8) 4))) 4294967296)) (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296) (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| 4294967296)) (not (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8) 4))) 4294967296) (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| 4294967296)))) (and (= |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| |v_ULTIMATE.start_main_~_hf_bkt~0#1_17|) (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8) 4))) 4294967296) (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| 4294967296)))) (not (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| 4294967296) 0)) (not (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8) 4))) 4294967296) 0))) (and (= 0 |v_ULTIMATE.start_main_~_hf_bkt~0#1_17|) (or (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8) 4))) 4294967296) 0) (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_469| 4294967296) 0)))) (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1| 0)) (or (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296) 2147483647) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296)))) 0)) (and (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8))) (+ (- 51539607552) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296)))) 0))) (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296)))) 0) (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296) 2147483647)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8))) (+ (- 51539607552) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_1|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296))))) (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_17| 4294967296)))))) (= ~count_int_int~0 0))' at error location [2024-11-09 05:39:42,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:39:42,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:39:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 05:39:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528712492] [2024-11-09 05:39:42,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:39:42,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:39:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:42,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:39:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1387, Unknown=24, NotChecked=154, Total=1722 [2024-11-09 05:39:42,040 INFO L87 Difference]: Start difference. First operand 147 states and 178 transitions. Second operand has 10 states, 7 states have (on average 11.428571428571429) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:44,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:46,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:49,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:51,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:55,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:57,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:58,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:01,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:03,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:05,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:07,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:09,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:11,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:12,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:15,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:40:17,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:40:18,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:40:20,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:40:21,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:40:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:21,381 INFO L93 Difference]: Finished difference Result 156 states and 191 transitions. [2024-11-09 05:40:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:40:21,382 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 11.428571428571429) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 77 [2024-11-09 05:40:21,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:21,383 INFO L225 Difference]: With dead ends: 156 [2024-11-09 05:40:21,383 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 05:40:21,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 188 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 79.7s TimeCoverageRelationStatistics Valid=182, Invalid=1605, Unknown=27, NotChecked=166, Total=1980 [2024-11-09 05:40:21,384 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 4 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:21,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 784 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 14 Unknown, 0 Unchecked, 38.9s Time] [2024-11-09 05:40:21,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 05:40:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-09 05:40:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 139 states have (on average 1.223021582733813) internal successors, (170), 147 states have internal predecessors, (170), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-09 05:40:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 189 transitions. [2024-11-09 05:40:21,392 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 189 transitions. Word has length 77 [2024-11-09 05:40:21,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:21,392 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 189 transitions. [2024-11-09 05:40:21,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 11.428571428571429) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:40:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-09 05:40:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:40:21,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:21,394 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:40:21,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:40:21,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:21,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:40:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1100355614, now seen corresponding path program 2 times [2024-11-09 05:40:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859706147] [2024-11-09 05:40:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:21,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:40:23,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:23,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859706147] [2024-11-09 05:40:23,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859706147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:40:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024781982] [2024-11-09 05:40:23,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:40:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:23,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:40:23,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:40:23,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac310c94-1dec-4271-a565-ebdca1e1631b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process