./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-pthread/cs_lazy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_lazy.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:44:35,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:44:35,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:44:35,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:44:35,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:44:35,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:44:35,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:44:35,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:44:35,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:44:35,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:44:35,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:44:35,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:44:35,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:44:35,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:44:35,370 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:44:35,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:44:35,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:44:35,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:44:35,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:44:35,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:44:35,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:44:35,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:44:35,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:44:35,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:44:35,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:44:35,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:44:35,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:44:35,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:44:35,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:44:35,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:44:35,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:44:35,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:44:35,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:44:35,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:44:35,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:44:35,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:44:35,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:44:35,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:44:35,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:44:35,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:44:35,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:44:35,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:44:35,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:44:35,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:44:35,383 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f [2024-11-10 19:44:35,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:44:35,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:44:35,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:44:35,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:44:35,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:44:35,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lazy.i [2024-11-10 19:44:37,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:44:37,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:44:37,431 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lazy.i [2024-11-10 19:44:37,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c91d457/a146a309250a428e9a4394cce830daad/FLAG7a05c0779 [2024-11-10 19:44:37,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c91d457/a146a309250a428e9a4394cce830daad [2024-11-10 19:44:37,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:44:37,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:44:37,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:37,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:44:37,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:44:37,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:37" (1/1) ... [2024-11-10 19:44:37,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2647e3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:37, skipping insertion in model container [2024-11-10 19:44:37,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:37" (1/1) ... [2024-11-10 19:44:37,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:44:38,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:38,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:44:38,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:38,443 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:44:38,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38 WrapperNode [2024-11-10 19:44:38,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:38,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:38,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:44:38,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:44:38,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,556 INFO L138 Inliner]: procedures = 145, calls = 224, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 537 [2024-11-10 19:44:38,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:38,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:44:38,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:44:38,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:44:38,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,637 INFO L175 MemorySlicer]: Split 119 memory accesses to 14 slices as follows [2, 10, 9, 10, 10, 25, 16, 9, 5, 9, 3, 3, 8, 0]. 21 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 4, 0, 4, 4, 8, 8, 2, 0, 0, 0, 0, 2, 0]. The 32 writes are split as follows [0, 2, 1, 2, 2, 10, 4, 3, 2, 1, 1, 1, 3, 0]. [2024-11-10 19:44:38,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:44:38,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:44:38,691 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:44:38,691 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:44:38,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (1/1) ... [2024-11-10 19:44:38,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:44:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:38,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:44:38,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:44:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 19:44:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 19:44:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 19:44:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 19:44:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 19:44:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 19:44:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 19:44:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 19:44:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 19:44:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-10 19:44:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-10 19:44:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-10 19:44:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-10 19:44:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-10 19:44:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 19:44:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 19:44:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 19:44:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 19:44:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 19:44:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 19:44:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-10 19:44:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 19:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 19:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 19:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-10 19:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-10 19:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-10 19:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-10 19:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-10 19:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-10 19:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2024-11-10 19:44:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2024-11-10 19:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-10 19:44:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-10 19:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 19:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 19:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 19:44:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-10 19:44:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-10 19:44:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-10 19:44:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-10 19:44:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-10 19:44:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-10 19:44:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-10 19:44:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-10 19:44:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 19:44:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 19:44:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 19:44:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 19:44:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-10 19:44:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-10 19:44:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-10 19:44:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 19:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 19:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 19:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-10 19:44:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-10 19:44:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-10 19:44:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-10 19:44:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2024-11-10 19:44:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2024-11-10 19:44:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:44:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:44:39,071 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:44:39,074 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:44:39,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-10 19:44:39,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-10 19:44:39,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-10 19:44:39,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-10 19:44:39,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-10 19:44:39,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-10 19:44:39,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-10 19:44:39,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-10 19:44:39,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-10 19:44:40,673 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-10 19:44:40,674 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:44:40,690 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:44:40,690 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:44:40,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:40 BoogieIcfgContainer [2024-11-10 19:44:40,691 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:44:40,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:44:40,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:44:40,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:44:40,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:44:37" (1/3) ... [2024-11-10 19:44:40,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e133fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:40, skipping insertion in model container [2024-11-10 19:44:40,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:38" (2/3) ... [2024-11-10 19:44:40,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e133fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:40, skipping insertion in model container [2024-11-10 19:44:40,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:40" (3/3) ... [2024-11-10 19:44:40,702 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lazy.i [2024-11-10 19:44:40,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:44:40,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 19:44:40,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:44:40,806 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@65d4a122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:44:40,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-10 19:44:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 155 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:44:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:44:40,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:40,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:40,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:40,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:40,822 INFO L85 PathProgramCache]: Analyzing trace with hash 370128785, now seen corresponding path program 1 times [2024-11-10 19:44:40,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:40,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396030493] [2024-11-10 19:44:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:44:41,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396030493] [2024-11-10 19:44:41,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396030493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:41,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:41,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:44:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533312224] [2024-11-10 19:44:41,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:41,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:41,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:41,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:41,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:44:41,279 INFO L87 Difference]: Start difference. First operand has 199 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 155 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:41,401 INFO L93 Difference]: Finished difference Result 392 states and 608 transitions. [2024-11-10 19:44:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:41,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2024-11-10 19:44:41,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:41,414 INFO L225 Difference]: With dead ends: 392 [2024-11-10 19:44:41,414 INFO L226 Difference]: Without dead ends: 165 [2024-11-10 19:44:41,423 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 [2024-11-10 19:44:41,426 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 2 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:41,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 509 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:44:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-10 19:44:41,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2024-11-10 19:44:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 113 states have (on average 1.424778761061947) internal successors, (161), 121 states have internal predecessors, (161), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:41,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 234 transitions. [2024-11-10 19:44:41,487 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 234 transitions. Word has length 7 [2024-11-10 19:44:41,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:41,488 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 234 transitions. [2024-11-10 19:44:41,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2024-11-10 19:44:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 19:44:41,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:41,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:41,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:44:41,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:41,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:41,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1460362463, now seen corresponding path program 1 times [2024-11-10 19:44:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:41,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853881820] [2024-11-10 19:44:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:44:41,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:41,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853881820] [2024-11-10 19:44:41,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853881820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214306076] [2024-11-10 19:44:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:41,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:41,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:44:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:42,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:44:42,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:44:42,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:44:42,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214306076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:42,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:44:42,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:44:42,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175224247] [2024-11-10 19:44:42,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:42,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:44:42,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:42,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:44:42,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:42,117 INFO L87 Difference]: Start difference. First operand 164 states and 234 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:42,163 INFO L93 Difference]: Finished difference Result 165 states and 235 transitions. [2024-11-10 19:44:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:44:42,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2024-11-10 19:44:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:42,167 INFO L225 Difference]: With dead ends: 165 [2024-11-10 19:44:42,167 INFO L226 Difference]: Without dead ends: 164 [2024-11-10 19:44:42,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:42,169 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 2 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:42,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 444 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:44:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-10 19:44:42,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2024-11-10 19:44:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 113 states have (on average 1.415929203539823) internal successors, (160), 120 states have internal predecessors, (160), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 233 transitions. [2024-11-10 19:44:42,186 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 233 transitions. Word has length 12 [2024-11-10 19:44:42,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:42,186 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 233 transitions. [2024-11-10 19:44:42,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2024-11-10 19:44:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 19:44:42,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:42,189 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:42,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:44:42,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:42,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:42,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1973402123, now seen corresponding path program 1 times [2024-11-10 19:44:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4436766] [2024-11-10 19:44:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:44:42,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4436766] [2024-11-10 19:44:42,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4436766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850749426] [2024-11-10 19:44:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:42,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:42,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:42,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:44:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:42,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:44:42,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 19:44:42,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:44:42,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850749426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:42,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:44:42,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:44:42,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568220764] [2024-11-10 19:44:42,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:42,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:42,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:42,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:42,745 INFO L87 Difference]: Start difference. First operand 163 states and 233 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:42,842 INFO L93 Difference]: Finished difference Result 163 states and 233 transitions. [2024-11-10 19:44:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:42,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 13 [2024-11-10 19:44:42,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:42,845 INFO L225 Difference]: With dead ends: 163 [2024-11-10 19:44:42,845 INFO L226 Difference]: Without dead ends: 162 [2024-11-10 19:44:42,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:42,846 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 3 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:42,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 431 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:44:42,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-10 19:44:42,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-10 19:44:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 113 states have (on average 1.407079646017699) internal successors, (159), 119 states have internal predecessors, (159), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2024-11-10 19:44:42,860 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 13 [2024-11-10 19:44:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:42,860 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2024-11-10 19:44:42,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2024-11-10 19:44:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 19:44:42,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:42,861 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:42,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:44:43,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:44:43,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:43,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1973404173, now seen corresponding path program 1 times [2024-11-10 19:44:43,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:43,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910204933] [2024-11-10 19:44:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 19:44:43,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:43,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910204933] [2024-11-10 19:44:43,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910204933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:43,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:44:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995181622] [2024-11-10 19:44:43,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:43,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:43,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:43,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:44:43,157 INFO L87 Difference]: Start difference. First operand 162 states and 232 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:43,185 INFO L93 Difference]: Finished difference Result 162 states and 232 transitions. [2024-11-10 19:44:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 13 [2024-11-10 19:44:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:43,188 INFO L225 Difference]: With dead ends: 162 [2024-11-10 19:44:43,188 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 19:44:43,189 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 [2024-11-10 19:44:43,190 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 2 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:43,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 442 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:44:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 19:44:43,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2024-11-10 19:44:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 116 states have internal predecessors, (156), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-11-10 19:44:43,202 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 13 [2024-11-10 19:44:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:43,202 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-11-10 19:44:43,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-11-10 19:44:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 19:44:43,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:43,204 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:43,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:44:43,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:43,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:43,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1045923933, now seen corresponding path program 1 times [2024-11-10 19:44:43,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:43,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110565243] [2024-11-10 19:44:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:44:43,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:43,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110565243] [2024-11-10 19:44:43,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110565243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:43,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509395470] [2024-11-10 19:44:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:43,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:43,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:43,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:43,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:44:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:43,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:44:43,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 19:44:43,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:44:43,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509395470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:43,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:44:43,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:44:43,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638589062] [2024-11-10 19:44:43,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:43,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:43,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:43,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:43,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:43,559 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:44,403 INFO L93 Difference]: Finished difference Result 316 states and 456 transitions. [2024-11-10 19:44:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:44,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 14 [2024-11-10 19:44:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:44,406 INFO L225 Difference]: With dead ends: 316 [2024-11-10 19:44:44,407 INFO L226 Difference]: Without dead ends: 172 [2024-11-10 19:44:44,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:44,409 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:44,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 438 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:44:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-10 19:44:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2024-11-10 19:44:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 128 states have internal predecessors, (169), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 242 transitions. [2024-11-10 19:44:44,430 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 242 transitions. Word has length 14 [2024-11-10 19:44:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:44,430 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 242 transitions. [2024-11-10 19:44:44,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 242 transitions. [2024-11-10 19:44:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:44:44,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:44,431 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:44:44,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:44:44,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:44,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:44,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:44,636 INFO L85 PathProgramCache]: Analyzing trace with hash -856831034, now seen corresponding path program 1 times [2024-11-10 19:44:44,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:44,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786855346] [2024-11-10 19:44:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:44,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:44:44,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786855346] [2024-11-10 19:44:44,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786855346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094056674] [2024-11-10 19:44:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:44,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:44,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:44,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:44:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:44,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:44:44,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:44:44,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:44:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094056674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:44,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:44:44,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:44:44,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810194298] [2024-11-10 19:44:44,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:44,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:44,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:44,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:44,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:44,979 INFO L87 Difference]: Start difference. First operand 171 states and 242 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:45,241 INFO L93 Difference]: Finished difference Result 171 states and 242 transitions. [2024-11-10 19:44:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:45,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 [2024-11-10 19:44:45,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:45,252 INFO L225 Difference]: With dead ends: 171 [2024-11-10 19:44:45,253 INFO L226 Difference]: Without dead ends: 170 [2024-11-10 19:44:45,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:44:45,254 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 2 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:45,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 432 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:44:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-10 19:44:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 160. [2024-11-10 19:44:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 117 states have internal predecessors, (157), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 230 transitions. [2024-11-10 19:44:45,271 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 230 transitions. Word has length 27 [2024-11-10 19:44:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:45,271 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 230 transitions. [2024-11-10 19:44:45,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:44:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 230 transitions. [2024-11-10 19:44:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:44:45,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:45,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:44:45,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:44:45,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:45,482 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:45,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash -783718546, now seen corresponding path program 1 times [2024-11-10 19:44:45,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:45,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632446750] [2024-11-10 19:44:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:45,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:44:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:45,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:44:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:44:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:44:45,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:45,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632446750] [2024-11-10 19:44:45,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632446750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:45,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227797706] [2024-11-10 19:44:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:45,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:45,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:45,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:44:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:45,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:44:45,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:44:46,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:44:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:44:46,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227797706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:44:46,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:44:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-10 19:44:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010960393] [2024-11-10 19:44:46,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:44:46,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:44:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:46,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:44:46,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:44:46,092 INFO L87 Difference]: Start difference. First operand 160 states and 230 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:44:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:46,674 INFO L93 Difference]: Finished difference Result 337 states and 486 transitions. [2024-11-10 19:44:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:44:46,675 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2024-11-10 19:44:46,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:46,679 INFO L225 Difference]: With dead ends: 337 [2024-11-10 19:44:46,681 INFO L226 Difference]: Without dead ends: 181 [2024-11-10 19:44:46,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:44:46,683 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 76 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:46,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 898 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:44:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-10 19:44:46,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2024-11-10 19:44:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 128 states have (on average 1.34375) internal successors, (172), 132 states have internal predecessors, (172), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 245 transitions. [2024-11-10 19:44:46,701 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 245 transitions. Word has length 55 [2024-11-10 19:44:46,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:46,701 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 245 transitions. [2024-11-10 19:44:46,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:44:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 245 transitions. [2024-11-10 19:44:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:44:46,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:46,705 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2024-11-10 19:44:46,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:44:46,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:46,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:46,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:46,907 INFO L85 PathProgramCache]: Analyzing trace with hash -128145729, now seen corresponding path program 1 times [2024-11-10 19:44:46,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:46,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179292452] [2024-11-10 19:44:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:46,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:47,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:44:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:44:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:44:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-10 19:44:47,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:47,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179292452] [2024-11-10 19:44:47,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179292452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:44:47,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500020599] [2024-11-10 19:44:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:47,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:47,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:47,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:44:47,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:44:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:47,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:44:47,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-10 19:44:47,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:44:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-10 19:44:47,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500020599] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:44:47,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:44:47,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2024-11-10 19:44:47,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923551252] [2024-11-10 19:44:47,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:44:47,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:44:47,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:44:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:44:47,600 INFO L87 Difference]: Start difference. First operand 175 states and 245 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:44:49,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:49,106 INFO L93 Difference]: Finished difference Result 352 states and 498 transitions. [2024-11-10 19:44:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:44:49,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 72 [2024-11-10 19:44:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:49,109 INFO L225 Difference]: With dead ends: 352 [2024-11-10 19:44:49,109 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 19:44:49,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:44:49,111 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 80 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:49,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 702 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:44:49,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 19:44:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 203. [2024-11-10 19:44:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 156 states have (on average 1.2884615384615385) internal successors, (201), 160 states have internal predecessors, (201), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:44:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 274 transitions. [2024-11-10 19:44:49,127 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 274 transitions. Word has length 72 [2024-11-10 19:44:49,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:49,128 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 274 transitions. [2024-11-10 19:44:49,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:44:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 274 transitions. [2024-11-10 19:44:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:44:49,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:49,130 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:44:49,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:44:49,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:44:49,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:49,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash -675707145, now seen corresponding path program 2 times [2024-11-10 19:44:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:49,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741743702] [2024-11-10 19:44:49,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:49,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 19:44:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:49,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:44:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:49,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:44:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-10 19:44:49,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:49,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741743702] [2024-11-10 19:44:49,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741743702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:49,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:49,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:44:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168282136] [2024-11-10 19:44:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:49,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:44:49,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:49,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:44:49,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:44:49,854 INFO L87 Difference]: Start difference. First operand 203 states and 274 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:44:53,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:44:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:44:54,729 INFO L93 Difference]: Finished difference Result 488 states and 704 transitions. [2024-11-10 19:44:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:44:54,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 98 [2024-11-10 19:44:54,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:44:54,733 INFO L225 Difference]: With dead ends: 488 [2024-11-10 19:44:54,733 INFO L226 Difference]: Without dead ends: 352 [2024-11-10 19:44:54,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:44:54,735 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 317 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:54,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 834 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 424 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-10 19:44:54,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-10 19:44:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 336. [2024-11-10 19:44:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 248 states have (on average 1.3387096774193548) internal successors, (332), 252 states have internal predecessors, (332), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2024-11-10 19:44:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 479 transitions. [2024-11-10 19:44:54,761 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 479 transitions. Word has length 98 [2024-11-10 19:44:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:44:54,762 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 479 transitions. [2024-11-10 19:44:54,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:44:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 479 transitions. [2024-11-10 19:44:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:44:54,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:54,765 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:44:54,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:44:54,765 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:44:54,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:54,765 INFO L85 PathProgramCache]: Analyzing trace with hash 786362713, now seen corresponding path program 1 times [2024-11-10 19:44:54,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:54,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401844963] [2024-11-10 19:44:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:54,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:44:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:44:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 19:44:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-10 19:44:55,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:55,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401844963] [2024-11-10 19:44:55,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401844963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:55,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:55,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:44:55,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897022256] [2024-11-10 19:44:55,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:55,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:44:55,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:55,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:44:55,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:44:55,299 INFO L87 Difference]: Start difference. First operand 336 states and 479 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:44:59,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:03,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:04,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:04,100 INFO L93 Difference]: Finished difference Result 526 states and 757 transitions. [2024-11-10 19:45:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:45:04,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 102 [2024-11-10 19:45:04,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:04,104 INFO L225 Difference]: With dead ends: 526 [2024-11-10 19:45:04,104 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 19:45:04,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:45:04,106 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 311 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 125 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:04,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 838 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 419 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-10 19:45:04,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 19:45:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 331. [2024-11-10 19:45:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.3360655737704918) internal successors, (326), 248 states have internal predecessors, (326), 71 states have call successors, (71), 12 states have call predecessors, (71), 12 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2024-11-10 19:45:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 471 transitions. [2024-11-10 19:45:04,131 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 471 transitions. Word has length 102 [2024-11-10 19:45:04,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:04,131 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 471 transitions. [2024-11-10 19:45:04,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:45:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 471 transitions. [2024-11-10 19:45:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:45:04,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:04,133 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:45:04,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:45:04,134 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:04,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:04,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2122281258, now seen corresponding path program 1 times [2024-11-10 19:45:04,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:04,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046386902] [2024-11-10 19:45:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:04,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:45:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:45:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:05,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:45:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-10 19:45:05,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:05,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046386902] [2024-11-10 19:45:05,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046386902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:45:05,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78870713] [2024-11-10 19:45:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:05,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:45:05,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:05,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:45:05,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:45:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:06,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:45:06,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:45:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 19:45:06,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 19:45:06,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-10 19:45:06,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-10 19:45:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-10 19:45:06,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:45:06,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78870713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:06,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:45:06,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-11-10 19:45:06,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427101049] [2024-11-10 19:45:06,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:06,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:45:06,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:06,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:45:06,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:45:06,519 INFO L87 Difference]: Start difference. First operand 331 states and 471 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:45:07,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:07,067 INFO L93 Difference]: Finished difference Result 601 states and 867 transitions. [2024-11-10 19:45:07,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:45:07,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 96 [2024-11-10 19:45:07,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:07,071 INFO L225 Difference]: With dead ends: 601 [2024-11-10 19:45:07,071 INFO L226 Difference]: Without dead ends: 301 [2024-11-10 19:45:07,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:45:07,074 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 219 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:07,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 811 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:45:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-10 19:45:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2024-11-10 19:45:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 223 states have (on average 1.2869955156950672) internal successors, (287), 227 states have internal predecessors, (287), 58 states have call successors, (58), 12 states have call predecessors, (58), 12 states have return successors, (63), 57 states have call predecessors, (63), 57 states have call successors, (63) [2024-11-10 19:45:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 408 transitions. [2024-11-10 19:45:07,096 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 408 transitions. Word has length 96 [2024-11-10 19:45:07,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:07,096 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 408 transitions. [2024-11-10 19:45:07,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:45:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 408 transitions. [2024-11-10 19:45:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:45:07,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:07,098 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:45:07,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:45:07,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:45:07,299 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:07,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -198436232, now seen corresponding path program 2 times [2024-11-10 19:45:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784337744] [2024-11-10 19:45:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:45:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:45:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:45:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:07,693 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-10 19:45:07,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:07,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784337744] [2024-11-10 19:45:07,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784337744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:07,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:45:07,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:45:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587281495] [2024-11-10 19:45:07,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:07,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:45:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:45:07,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:45:07,696 INFO L87 Difference]: Start difference. First operand 297 states and 408 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:45:09,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:09,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:09,632 INFO L93 Difference]: Finished difference Result 493 states and 697 transitions. [2024-11-10 19:45:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:45:09,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 100 [2024-11-10 19:45:09,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:09,635 INFO L225 Difference]: With dead ends: 493 [2024-11-10 19:45:09,635 INFO L226 Difference]: Without dead ends: 241 [2024-11-10 19:45:09,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:45:09,637 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 176 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:09,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 812 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 19:45:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-10 19:45:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 235. [2024-11-10 19:45:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 178 states have (on average 1.252808988764045) internal successors, (223), 183 states have internal predecessors, (223), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (47), 42 states have call predecessors, (47), 43 states have call successors, (47) [2024-11-10 19:45:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 314 transitions. [2024-11-10 19:45:09,654 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 314 transitions. Word has length 100 [2024-11-10 19:45:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:09,655 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 314 transitions. [2024-11-10 19:45:09,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:45:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 314 transitions. [2024-11-10 19:45:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 19:45:09,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:09,658 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 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] [2024-11-10 19:45:09,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:45:09,658 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:09,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:09,659 INFO L85 PathProgramCache]: Analyzing trace with hash -587882035, now seen corresponding path program 1 times [2024-11-10 19:45:09,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:09,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688118967] [2024-11-10 19:45:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:09,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:45:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:45:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:45:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:45:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:45:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:45:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 19:45:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 19:45:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-10 19:45:11,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:11,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688118967] [2024-11-10 19:45:11,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688118967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:11,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:45:11,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 19:45:11,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060074469] [2024-11-10 19:45:11,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:11,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:45:11,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:11,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:45:11,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:45:11,244 INFO L87 Difference]: Start difference. First operand 235 states and 314 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:45:15,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:19,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:22,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:22,140 INFO L93 Difference]: Finished difference Result 630 states and 924 transitions. [2024-11-10 19:45:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 19:45:22,141 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 149 [2024-11-10 19:45:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:22,144 INFO L225 Difference]: With dead ends: 630 [2024-11-10 19:45:22,144 INFO L226 Difference]: Without dead ends: 466 [2024-11-10 19:45:22,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:45:22,147 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 835 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 503 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:22,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 957 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1001 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-10 19:45:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-10 19:45:22,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 436. [2024-11-10 19:45:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 308 states have (on average 1.3246753246753247) internal successors, (408), 313 states have internal predecessors, (408), 106 states have call successors, (106), 15 states have call predecessors, (106), 18 states have return successors, (122), 107 states have call predecessors, (122), 104 states have call successors, (122) [2024-11-10 19:45:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 636 transitions. [2024-11-10 19:45:22,189 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 636 transitions. Word has length 149 [2024-11-10 19:45:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:22,190 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 636 transitions. [2024-11-10 19:45:22,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:45:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 636 transitions. [2024-11-10 19:45:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 19:45:22,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:22,194 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 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] [2024-11-10 19:45:22,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:45:22,194 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:22,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2054610828, now seen corresponding path program 1 times [2024-11-10 19:45:22,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:22,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719370149] [2024-11-10 19:45:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:22,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:45:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:45:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:45:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:45:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:45:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 19:45:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 19:45:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 19:45:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-10 19:45:23,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719370149] [2024-11-10 19:45:23,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719370149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:45:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895760847] [2024-11-10 19:45:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:45:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:23,415 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:45:23,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:45:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:23,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:45:23,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:45:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-10 19:45:24,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:45:24,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895760847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:24,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:45:24,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 16 [2024-11-10 19:45:24,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829940715] [2024-11-10 19:45:24,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:24,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:45:24,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:24,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:45:24,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:45:24,321 INFO L87 Difference]: Start difference. First operand 436 states and 636 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:45:25,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:25,166 INFO L93 Difference]: Finished difference Result 1056 states and 1620 transitions. [2024-11-10 19:45:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:45:25,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 147 [2024-11-10 19:45:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:25,173 INFO L225 Difference]: With dead ends: 1056 [2024-11-10 19:45:25,173 INFO L226 Difference]: Without dead ends: 719 [2024-11-10 19:45:25,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:45:25,177 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 322 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:25,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 592 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:45:25,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-10 19:45:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 623. [2024-11-10 19:45:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 439 states have (on average 1.2687927107061503) internal successors, (557), 429 states have internal predecessors, (557), 147 states have call successors, (147), 19 states have call predecessors, (147), 33 states have return successors, (230), 174 states have call predecessors, (230), 145 states have call successors, (230) [2024-11-10 19:45:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 934 transitions. [2024-11-10 19:45:25,267 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 934 transitions. Word has length 147 [2024-11-10 19:45:25,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:25,268 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 934 transitions. [2024-11-10 19:45:25,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:45:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 934 transitions. [2024-11-10 19:45:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 19:45:25,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:25,270 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 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] [2024-11-10 19:45:25,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:45:25,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:45:25,475 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:25,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1286502393, now seen corresponding path program 1 times [2024-11-10 19:45:25,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:25,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065424351] [2024-11-10 19:45:25,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:25,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:45:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:45:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:45:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:45:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:45:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 19:45:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:45:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 19:45:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-10 19:45:26,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065424351] [2024-11-10 19:45:26,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065424351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:26,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:45:26,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 19:45:26,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575343967] [2024-11-10 19:45:26,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:26,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:45:26,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:26,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:45:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:45:26,938 INFO L87 Difference]: Start difference. First operand 623 states and 934 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:45:28,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:32,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:35,828 INFO L93 Difference]: Finished difference Result 965 states and 1432 transitions. [2024-11-10 19:45:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 19:45:35,828 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 154 [2024-11-10 19:45:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:35,833 INFO L225 Difference]: With dead ends: 965 [2024-11-10 19:45:35,834 INFO L226 Difference]: Without dead ends: 534 [2024-11-10 19:45:35,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:45:35,837 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 503 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 234 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:35,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1010 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1183 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2024-11-10 19:45:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-10 19:45:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 521. [2024-11-10 19:45:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 372 states have (on average 1.2338709677419355) internal successors, (459), 367 states have internal predecessors, (459), 116 states have call successors, (116), 18 states have call predecessors, (116), 29 states have return successors, (184), 135 states have call predecessors, (184), 115 states have call successors, (184) [2024-11-10 19:45:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 759 transitions. [2024-11-10 19:45:35,917 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 759 transitions. Word has length 154 [2024-11-10 19:45:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:35,918 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 759 transitions. [2024-11-10 19:45:35,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:45:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 759 transitions. [2024-11-10 19:45:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 19:45:35,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:35,921 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 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] [2024-11-10 19:45:35,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:45:35,921 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-10 19:45:35,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2088977193, now seen corresponding path program 1 times [2024-11-10 19:45:35,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:35,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904932557] [2024-11-10 19:45:35,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:45:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:45:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:45:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:45:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:45:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 19:45:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 19:45:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:45:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-10 19:45:37,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:37,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904932557] [2024-11-10 19:45:37,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904932557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:45:37,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928189226] [2024-11-10 19:45:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:37,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:45:37,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:37,596 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:45:37,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:45:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:38,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-10 19:45:38,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:45:38,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 19:45:38,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-10 19:45:38,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 19:45:38,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 19:45:38,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 19:45:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 74 proven. 108 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-10 19:45:39,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:45:39,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928189226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:45:39,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:45:39,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 29 [2024-11-10 19:45:39,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056334991] [2024-11-10 19:45:39,841 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:45:39,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 19:45:39,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:39,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 19:45:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2024-11-10 19:45:39,843 INFO L87 Difference]: Start difference. First operand 521 states and 759 transitions. Second operand has 29 states, 27 states have (on average 5.148148148148148) internal successors, (139), 23 states have internal predecessors, (139), 8 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-10 19:45:42,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:43,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:47,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:45:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:45:56,591 INFO L93 Difference]: Finished difference Result 1676 states and 2429 transitions. [2024-11-10 19:45:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-10 19:45:56,591 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 5.148148148148148) internal successors, (139), 23 states have internal predecessors, (139), 8 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) Word has length 150 [2024-11-10 19:45:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:45:56,600 INFO L225 Difference]: With dead ends: 1676 [2024-11-10 19:45:56,600 INFO L226 Difference]: Without dead ends: 1326 [2024-11-10 19:45:56,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3527 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1678, Invalid=8624, Unknown=0, NotChecked=0, Total=10302 [2024-11-10 19:45:56,607 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 2423 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 4401 mSolverCounterSat, 1619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 6020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 4401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:56,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 2008 Invalid, 6020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 4401 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-10 19:45:56,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-10 19:45:56,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 845. [2024-11-10 19:45:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 610 states have (on average 1.2459016393442623) internal successors, (760), 596 states have internal predecessors, (760), 174 states have call successors, (174), 32 states have call predecessors, (174), 57 states have return successors, (289), 216 states have call predecessors, (289), 172 states have call successors, (289) [2024-11-10 19:45:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1223 transitions. [2024-11-10 19:45:56,715 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1223 transitions. Word has length 150 [2024-11-10 19:45:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:45:56,716 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1223 transitions. [2024-11-10 19:45:56,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 5.148148148148148) internal successors, (139), 23 states have internal predecessors, (139), 8 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-10 19:45:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1223 transitions. [2024-11-10 19:45:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 19:45:56,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:56,718 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 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] [2024-11-10 19:45:56,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0