./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:40,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:40,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 12:26:40,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:40,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:40,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:40,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:40,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:40,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:40,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:40,406 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:40,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:40,407 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:40,407 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:40,407 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:40,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:40,408 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:40,409 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:40,409 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:40,410 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:40,410 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:40,411 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:40,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:26:40,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:26:40,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:40,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:40,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:40,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:40,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:40,414 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:26:40,414 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:26:40,415 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:26:40,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:40,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:26:40,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:40,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:26:40,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:40,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:40,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:40,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:40,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:40,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:40,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:40,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:40,420 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:40,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:40,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:40,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:40,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:40,421 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_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2024-11-02 12:26:40,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:40,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:40,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:40,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:40,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:40,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i Unable to find full path for "g++" [2024-11-02 12:26:42,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:43,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:43,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-02 12:26:43,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/data/4c1a3a387/426367b74d6b4038896d2504251c7e85/FLAGd9405280e [2024-11-02 12:26:43,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/data/4c1a3a387/426367b74d6b4038896d2504251c7e85 [2024-11-02 12:26:43,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:43,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:43,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:43,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:43,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:43,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:43" (1/1) ... [2024-11-02 12:26:43,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32add24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:43, skipping insertion in model container [2024-11-02 12:26:43,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:43" (1/1) ... [2024-11-02 12:26:43,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:43,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:43,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:43,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:44,041 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:44,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44 WrapperNode [2024-11-02 12:26:44,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:44,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:44,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:44,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:44,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,123 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 150 [2024-11-02 12:26:44,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:44,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:44,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:44,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:44,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:44,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:44,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:44,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:44,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (1/1) ... [2024-11-02 12:26:44,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:44,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:44,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6296d4-6775-4948-a87b-7cc472cc07d8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:26:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 12:26:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 12:26:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 12:26:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 12:26:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-02 12:26:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-02 12:26:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-02 12:26:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-02 12:26:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:26:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:44,272 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:26:44,434 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:44,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:44,848 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:26:44,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:45,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:45,128 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:26:45,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:45 BoogieIcfgContainer [2024-11-02 12:26:45,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:45,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:45,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:45,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:45,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:43" (1/3) ... [2024-11-02 12:26:45,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df5a3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:45, skipping insertion in model container [2024-11-02 12:26:45,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:44" (2/3) ... [2024-11-02 12:26:45,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df5a3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:45, skipping insertion in model container [2024-11-02 12:26:45,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:45" (3/3) ... [2024-11-02 12:26:45,143 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2024-11-02 12:26:45,161 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:45,162 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 12:26:45,162 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:26:45,236 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 12:26:45,276 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 54 transitions, 124 flow [2024-11-02 12:26:48,442 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 45978 states, 45973 states have (on average 4.508059078154569) internal successors, (207249), 45977 states have internal predecessors, (207249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:48,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:48,493 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;@47f54f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:48,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-02 12:26:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 45978 states, 45973 states have (on average 4.508059078154569) internal successors, (207249), 45977 states have internal predecessors, (207249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-02 12:26:48,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:48,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:48,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:26:48,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:48,638 INFO L85 PathProgramCache]: Analyzing trace with hash 442823437, now seen corresponding path program 1 times [2024-11-02 12:26:48,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:48,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207886608] [2024-11-02 12:26:48,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:48,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:49,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:49,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207886608] [2024-11-02 12:26:49,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207886608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:49,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:49,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:26:49,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485922065] [2024-11-02 12:26:49,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:49,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:49,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:49,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:49,456 INFO L87 Difference]: Start difference. First operand has 45978 states, 45973 states have (on average 4.508059078154569) internal successors, (207249), 45977 states have internal predecessors, (207249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-02 12:26:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:51,417 INFO L93 Difference]: Finished difference Result 54994 states and 245882 transitions. [2024-11-02 12:26:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:51,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-11-02 12:26:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:52,126 INFO L225 Difference]: With dead ends: 54994 [2024-11-02 12:26:52,126 INFO L226 Difference]: Without dead ends: 36472 [2024-11-02 12:26:52,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:52,189 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:52,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 43 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:26:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36472 states. [2024-11-02 12:26:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36472 to 36472. [2024-11-02 12:26:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36472 states, 36470 states have (on average 4.349136276391555) internal successors, (158613), 36471 states have internal predecessors, (158613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36472 states to 36472 states and 158613 transitions. [2024-11-02 12:26:55,040 INFO L78 Accepts]: Start accepts. Automaton has 36472 states and 158613 transitions. Word has length 8 [2024-11-02 12:26:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:55,045 INFO L471 AbstractCegarLoop]: Abstraction has 36472 states and 158613 transitions. [2024-11-02 12:26:55,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-02 12:26:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 36472 states and 158613 transitions. [2024-11-02 12:26:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-02 12:26:55,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:55,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:55,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:26:55,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:26:55,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1796986954, now seen corresponding path program 1 times [2024-11-02 12:26:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:55,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321662408] [2024-11-02 12:26:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:55,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:55,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321662408] [2024-11-02 12:26:55,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321662408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:55,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:55,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:26:55,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789540595] [2024-11-02 12:26:55,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:55,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:55,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:55,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:55,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:55,255 INFO L87 Difference]: Start difference. First operand 36472 states and 158613 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:56,035 INFO L93 Difference]: Finished difference Result 36472 states and 158613 transitions. [2024-11-02 12:26:56,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:56,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2024-11-02 12:26:56,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:56,402 INFO L225 Difference]: With dead ends: 36472 [2024-11-02 12:26:56,403 INFO L226 Difference]: Without dead ends: 28240 [2024-11-02 12:26:56,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:56,724 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:56,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:26:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28240 states. [2024-11-02 12:26:57,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28240 to 28240. [2024-11-02 12:26:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28240 states, 28239 states have (on average 4.320620418570063) internal successors, (122010), 28239 states have internal predecessors, (122010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28240 states to 28240 states and 122010 transitions. [2024-11-02 12:26:59,005 INFO L78 Accepts]: Start accepts. Automaton has 28240 states and 122010 transitions. Word has length 17 [2024-11-02 12:26:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:59,006 INFO L471 AbstractCegarLoop]: Abstraction has 28240 states and 122010 transitions. [2024-11-02 12:26:59,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 28240 states and 122010 transitions. [2024-11-02 12:26:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-02 12:26:59,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:59,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:59,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:26:59,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:26:59,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:59,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1796985732, now seen corresponding path program 1 times [2024-11-02 12:26:59,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:59,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876258443] [2024-11-02 12:26:59,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:59,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:59,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:59,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876258443] [2024-11-02 12:26:59,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876258443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:59,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:59,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:26:59,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751160955] [2024-11-02 12:26:59,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:59,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:26:59,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:59,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:26:59,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:26:59,424 INFO L87 Difference]: Start difference. First operand 28240 states and 122010 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:00,399 INFO L93 Difference]: Finished difference Result 44192 states and 187624 transitions. [2024-11-02 12:27:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:27:00,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2024-11-02 12:27:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:00,614 INFO L225 Difference]: With dead ends: 44192 [2024-11-02 12:27:00,614 INFO L226 Difference]: Without dead ends: 22240 [2024-11-02 12:27:00,665 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 [2024-11-02 12:27:00,666 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 79 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:00,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 49 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:27:00,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22240 states. [2024-11-02 12:27:01,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22240 to 22240. [2024-11-02 12:27:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22240 states, 22239 states have (on average 4.137326318629435) internal successors, (92010), 22239 states have internal predecessors, (92010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22240 states to 22240 states and 92010 transitions. [2024-11-02 12:27:01,907 INFO L78 Accepts]: Start accepts. Automaton has 22240 states and 92010 transitions. Word has length 17 [2024-11-02 12:27:01,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:01,908 INFO L471 AbstractCegarLoop]: Abstraction has 22240 states and 92010 transitions. [2024-11-02 12:27:01,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22240 states and 92010 transitions. [2024-11-02 12:27:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-02 12:27:01,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:01,935 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:01,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:27:01,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:27:01,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1459003591, now seen corresponding path program 1 times [2024-11-02 12:27:01,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:01,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156534246] [2024-11-02 12:27:01,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:01,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:27:02,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:02,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156534246] [2024-11-02 12:27:02,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156534246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:02,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:02,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:27:02,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273859288] [2024-11-02 12:27:02,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:02,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:27:02,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:02,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:27:02,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:27:02,320 INFO L87 Difference]: Start difference. First operand 22240 states and 92010 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:02,837 INFO L93 Difference]: Finished difference Result 28992 states and 117374 transitions. [2024-11-02 12:27:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:27:02,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2024-11-02 12:27:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:02,952 INFO L225 Difference]: With dead ends: 28992 [2024-11-02 12:27:02,953 INFO L226 Difference]: Without dead ends: 13040 [2024-11-02 12:27:02,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:27:02,987 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 146 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:02,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 62 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:27:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13040 states. [2024-11-02 12:27:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13040 to 13040. [2024-11-02 12:27:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13040 states, 13039 states have (on average 3.881432625201319) internal successors, (50610), 13039 states have internal predecessors, (50610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13040 states to 13040 states and 50610 transitions. [2024-11-02 12:27:03,980 INFO L78 Accepts]: Start accepts. Automaton has 13040 states and 50610 transitions. Word has length 22 [2024-11-02 12:27:03,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:03,981 INFO L471 AbstractCegarLoop]: Abstraction has 13040 states and 50610 transitions. [2024-11-02 12:27:03,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 13040 states and 50610 transitions. [2024-11-02 12:27:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-02 12:27:04,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:04,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:04,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:27:04,018 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:27:04,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:04,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1696046072, now seen corresponding path program 1 times [2024-11-02 12:27:04,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:04,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010406665] [2024-11-02 12:27:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:27:04,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010406665] [2024-11-02 12:27:04,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010406665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:04,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:27:04,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156246427] [2024-11-02 12:27:04,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:04,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:27:04,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:04,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:27:04,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:27:04,454 INFO L87 Difference]: Start difference. First operand 13040 states and 50610 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:04,942 INFO L93 Difference]: Finished difference Result 14512 states and 55514 transitions. [2024-11-02 12:27:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:27:04,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2024-11-02 12:27:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:05,047 INFO L225 Difference]: With dead ends: 14512 [2024-11-02 12:27:05,047 INFO L226 Difference]: Without dead ends: 7760 [2024-11-02 12:27:05,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:27:05,062 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 200 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:05,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 77 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:27:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7760 states. [2024-11-02 12:27:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7760 to 7760. [2024-11-02 12:27:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7760 states, 7759 states have (on average 3.800747519010182) internal successors, (29490), 7759 states have internal predecessors, (29490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 29490 transitions. [2024-11-02 12:27:05,460 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 29490 transitions. Word has length 27 [2024-11-02 12:27:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:05,461 INFO L471 AbstractCegarLoop]: Abstraction has 7760 states and 29490 transitions. [2024-11-02 12:27:05,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 29490 transitions. [2024-11-02 12:27:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-02 12:27:05,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:05,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:05,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:27:05,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:27:05,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:05,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1623061145, now seen corresponding path program 1 times [2024-11-02 12:27:05,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:05,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843955214] [2024-11-02 12:27:05,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:05,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:27:06,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:06,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843955214] [2024-11-02 12:27:06,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843955214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:06,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:06,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:27:06,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969512495] [2024-11-02 12:27:06,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:06,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:27:06,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:06,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:27:06,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:27:06,089 INFO L87 Difference]: Start difference. First operand 7760 states and 29490 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:06,471 INFO L93 Difference]: Finished difference Result 7888 states and 29858 transitions. [2024-11-02 12:27:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:27:06,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-02 12:27:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:06,543 INFO L225 Difference]: With dead ends: 7888 [2024-11-02 12:27:06,544 INFO L226 Difference]: Without dead ends: 6416 [2024-11-02 12:27:06,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:27:06,551 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 232 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:06,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 60 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:27:06,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6416 states. [2024-11-02 12:27:06,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6416 to 6416. [2024-11-02 12:27:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6416 states, 6415 states have (on average 3.8637568199532346) internal successors, (24786), 6415 states have internal predecessors, (24786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6416 states to 6416 states and 24786 transitions. [2024-11-02 12:27:06,759 INFO L78 Accepts]: Start accepts. Automaton has 6416 states and 24786 transitions. Word has length 32 [2024-11-02 12:27:06,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:06,760 INFO L471 AbstractCegarLoop]: Abstraction has 6416 states and 24786 transitions. [2024-11-02 12:27:06,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 6416 states and 24786 transitions. [2024-11-02 12:27:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-02 12:27:06,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:06,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:06,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:27:06,792 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-02 12:27:06,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:06,792 INFO L85 PathProgramCache]: Analyzing trace with hash 845810780, now seen corresponding path program 1 times [2024-11-02 12:27:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238812533] [2024-11-02 12:27:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:06,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:27:08,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:08,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238812533] [2024-11-02 12:27:08,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238812533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:08,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:08,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:27:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263323782] [2024-11-02 12:27:08,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:08,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:27:08,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:08,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:27:08,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:27:08,658 INFO L87 Difference]: Start difference. First operand 6416 states and 24786 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)