./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:57:54,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:57:54,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:57:54,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:57:54,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:57:54,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:57:54,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:57:54,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:57:54,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:57:54,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:57:54,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:57:54,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:57:54,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:57:54,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:57:54,459 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:57:54,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:57:54,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:57:54,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:57:54,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:57:54,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:57:54,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:57:54,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:57:54,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:57:54,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:57:54,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:57:54,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:57:54,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:57:54,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:57:54,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:57:54,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:57:54,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:57:54,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:57:54,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:57:54,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:57:54,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:57:54,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:57:54,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:57:54,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:57:54,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:57:54,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:57:54,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:57:54,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:57:54,467 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2024-10-11 03:57:54,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:57:54,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:57:54,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:57:54,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:57:54,787 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:57:54,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-10-11 03:57:56,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:57:56,611 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:57:56,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-10-11 03:57:56,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6607b085b/df44189d59d549b49e4768cc57f67105/FLAG94560e1d7 [2024-10-11 03:57:56,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6607b085b/df44189d59d549b49e4768cc57f67105 [2024-10-11 03:57:56,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:57:56,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:57:56,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:57:56,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:57:56,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:57:56,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:57:56" (1/1) ... [2024-10-11 03:57:56,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dc1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:56, skipping insertion in model container [2024-10-11 03:57:56,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:57:56" (1/1) ... [2024-10-11 03:57:56,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:57:57,228 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2024-10-11 03:57:57,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:57:57,384 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:57:57,427 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2024-10-11 03:57:57,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:57:57,530 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:57:57,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57 WrapperNode [2024-10-11 03:57:57,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:57:57,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:57:57,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:57:57,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:57:57,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,629 INFO L138 Inliner]: procedures = 145, calls = 351, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 469 [2024-10-11 03:57:57,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:57:57,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:57:57,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:57:57,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:57:57,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,702 INFO L175 MemorySlicer]: Split 160 memory accesses to 19 slices as follows [2, 5, 8, 8, 0, 29, 21, 7, 7, 5, 13, 7, 7, 7, 5, 5, 6, 13, 5]. 18 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 3, 3, 0, 9, 9, 3, 3, 0, 0, 3, 3, 3, 0, 0, 2, 0, 0]. The 40 writes are split as follows [0, 1, 2, 2, 0, 11, 6, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1]. [2024-10-11 03:57:57,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:57:57,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:57:57,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:57:57,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:57:57,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (1/1) ... [2024-10-11 03:57:57,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:57:57,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:57:57,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:57:57,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:57:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 03:57:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 03:57:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 03:57:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 03:57:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 03:57:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 03:57:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 03:57:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 03:57:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 03:57:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 03:57:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 03:57:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 03:57:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 03:57:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 03:57:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 03:57:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 03:57:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 03:57:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 03:57:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 03:57:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 03:57:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 03:57:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 03:57:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 03:57:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 03:57:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 03:57:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 03:57:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 03:57:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 03:57:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 03:57:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 03:57:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-10-11 03:57:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-10-11 03:57:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 03:57:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 03:57:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 03:57:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 03:57:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-10-11 03:57:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-10-11 03:57:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 03:57:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 03:57:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 03:57:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 03:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 03:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 03:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 03:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 03:57:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 03:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 03:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 03:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 03:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 03:57:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 03:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 03:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 03:57:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 03:57:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-10-11 03:57:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-10-11 03:57:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 03:57:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 03:57:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 03:57:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 03:57:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 03:57:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 03:57:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 03:57:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 03:57:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:57:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:57:58,167 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:57:58,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:58:02,836 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-10-11 03:58:02,836 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:58:02,886 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:58:02,887 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 03:58:02,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:58:02 BoogieIcfgContainer [2024-10-11 03:58:02,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:58:02,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:58:02,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:58:02,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:58:02,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:57:56" (1/3) ... [2024-10-11 03:58:02,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e529a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:58:02, skipping insertion in model container [2024-10-11 03:58:02,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:57" (2/3) ... [2024-10-11 03:58:02,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e529a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:58:02, skipping insertion in model container [2024-10-11 03:58:02,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:58:02" (3/3) ... [2024-10-11 03:58:02,898 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2024-10-11 03:58:02,916 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:58:02,917 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 03:58:02,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:58:03,001 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;@6767d1ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:58:03,001 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 03:58:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 68 states have (on average 1.338235294117647) internal successors, (91), 69 states have internal predecessors, (91), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 03:58:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 03:58:03,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:03,026 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:03,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:03,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:03,033 INFO L85 PathProgramCache]: Analyzing trace with hash -418329354, now seen corresponding path program 1 times [2024-10-11 03:58:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:03,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163011356] [2024-10-11 03:58:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 03:58:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 03:58:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 03:58:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 03:58:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 03:58:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 03:58:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 03:58:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 03:58:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 03:58:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:58:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:58:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 03:58:03,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:03,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163011356] [2024-10-11 03:58:03,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163011356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:03,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:03,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:58:03,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014730255] [2024-10-11 03:58:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:03,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:58:03,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:58:04,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:58:04,024 INFO L87 Difference]: Start difference. First operand has 111 states, 68 states have (on average 1.338235294117647) internal successors, (91), 69 states have internal predecessors, (91), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:04,145 INFO L93 Difference]: Finished difference Result 224 states and 366 transitions. [2024-10-11 03:58:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:58:04,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-10-11 03:58:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:04,160 INFO L225 Difference]: With dead ends: 224 [2024-10-11 03:58:04,160 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 03:58:04,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:58:04,171 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 3 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:04,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 303 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:58:04,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 03:58:04,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2024-10-11 03:58:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 03:58:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-10-11 03:58:04,237 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 143 [2024-10-11 03:58:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:04,239 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-10-11 03:58:04,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-10-11 03:58:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-11 03:58:04,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:04,247 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:04,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 03:58:04,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:04,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2117031662, now seen corresponding path program 1 times [2024-10-11 03:58:04,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:04,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396553500] [2024-10-11 03:58:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:04,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 03:58:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 03:58:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 03:58:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 03:58:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 03:58:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 03:58:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 03:58:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 03:58:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 03:58:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 03:58:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 03:58:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 03:58:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 03:58:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 03:58:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 03:58:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 03:58:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 03:58:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 03:58:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 03:58:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 03:58:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 03:58:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 03:58:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 03:58:04,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:04,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396553500] [2024-10-11 03:58:04,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396553500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:04,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:04,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:58:04,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224981387] [2024-10-11 03:58:04,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:04,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:58:04,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:04,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:58:04,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:58:04,762 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:04,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:04,830 INFO L93 Difference]: Finished difference Result 219 states and 316 transitions. [2024-10-11 03:58:04,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:58:04,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-10-11 03:58:04,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:04,833 INFO L225 Difference]: With dead ends: 219 [2024-10-11 03:58:04,833 INFO L226 Difference]: Without dead ends: 111 [2024-10-11 03:58:04,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:58:04,836 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:04,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:58:04,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-11 03:58:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-11 03:58:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 69 states have internal predecessors, (87), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 03:58:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-10-11 03:58:04,850 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 146 [2024-10-11 03:58:04,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:04,850 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-10-11 03:58:04,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-10-11 03:58:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 03:58:04,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:04,853 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:04,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 03:58:04,854 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:04,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:04,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1200437592, now seen corresponding path program 1 times [2024-10-11 03:58:04,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:04,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91878296] [2024-10-11 03:58:04,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:04,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 03:58:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 03:58:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 03:58:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:58:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:58:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 03:58:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 03:58:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 03:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 03:58:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 03:58:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 03:58:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:58:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:58:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:58:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:58:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:58:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:58:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:58:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:58:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:58:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 03:58:05,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:05,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91878296] [2024-10-11 03:58:05,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91878296] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:05,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050414311] [2024-10-11 03:58:05,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:05,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:05,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:05,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:05,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 03:58:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:05,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 03:58:05,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 03:58:05,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:58:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 03:58:06,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050414311] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:58:06,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:58:06,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-11 03:58:06,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227401922] [2024-10-11 03:58:06,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:58:06,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:58:06,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:06,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:58:06,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:58:06,037 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 03:58:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:06,136 INFO L93 Difference]: Finished difference Result 222 states and 320 transitions. [2024-10-11 03:58:06,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:58:06,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 147 [2024-10-11 03:58:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:06,140 INFO L225 Difference]: With dead ends: 222 [2024-10-11 03:58:06,140 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 03:58:06,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:58:06,145 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:06,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 757 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:58:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 03:58:06,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 03:58:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 71 states have internal predecessors, (89), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 03:58:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 161 transitions. [2024-10-11 03:58:06,159 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 161 transitions. Word has length 147 [2024-10-11 03:58:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:06,159 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 161 transitions. [2024-10-11 03:58:06,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 03:58:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-10-11 03:58:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 03:58:06,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:06,165 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:06,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 03:58:06,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:06,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:06,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1822780392, now seen corresponding path program 2 times [2024-10-11 03:58:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:06,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140256845] [2024-10-11 03:58:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 03:58:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 03:58:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 03:58:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 03:58:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 03:58:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 03:58:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 03:58:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 03:58:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:58:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:58:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-10-11 03:58:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140256845] [2024-10-11 03:58:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140256845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445888840] [2024-10-11 03:58:06,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 03:58:06,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:06,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:06,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:06,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 03:58:07,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 03:58:07,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 03:58:07,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 03:58:07,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-10-11 03:58:07,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 03:58:07,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445888840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:07,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 03:58:07,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 03:58:07,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443105886] [2024-10-11 03:58:07,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:07,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 03:58:07,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:07,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 03:58:07,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:58:07,446 INFO L87 Difference]: Start difference. First operand 113 states and 161 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:07,538 INFO L93 Difference]: Finished difference Result 215 states and 312 transitions. [2024-10-11 03:58:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 03:58:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-10-11 03:58:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:07,545 INFO L225 Difference]: With dead ends: 215 [2024-10-11 03:58:07,548 INFO L226 Difference]: Without dead ends: 165 [2024-10-11 03:58:07,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:58:07,550 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 72 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:07,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 476 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:58:07,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-11 03:58:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-10-11 03:58:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 49 states have call successors, (49), 10 states have call predecessors, (49), 10 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2024-10-11 03:58:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 238 transitions. [2024-10-11 03:58:07,577 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 238 transitions. Word has length 149 [2024-10-11 03:58:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:07,577 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 238 transitions. [2024-10-11 03:58:07,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 03:58:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2024-10-11 03:58:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-11 03:58:07,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:07,581 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:07,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 03:58:07,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:07,783 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:07,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:07,783 INFO L85 PathProgramCache]: Analyzing trace with hash -509828939, now seen corresponding path program 1 times [2024-10-11 03:58:07,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321215735] [2024-10-11 03:58:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 03:58:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 03:58:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 03:58:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:58:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:58:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 03:58:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 03:58:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:58:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:58:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:58:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:58:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:58:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:58:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:58:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:58:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:58:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 03:58:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 03:58:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 03:58:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 03:58:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 03:58:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 03:58:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 03:58:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 03:58:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 03:58:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 03:58:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 03:58:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2024-10-11 03:58:08,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:08,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321215735] [2024-10-11 03:58:08,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321215735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:08,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086343840] [2024-10-11 03:58:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:08,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:08,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 03:58:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:09,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 03:58:09,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2024-10-11 03:58:09,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:58:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2024-10-11 03:58:09,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086343840] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:58:09,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:58:09,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 4] total 10 [2024-10-11 03:58:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934923655] [2024-10-11 03:58:09,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:58:09,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 03:58:09,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:09,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 03:58:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 03:58:09,314 INFO L87 Difference]: Start difference. First operand 165 states and 238 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-10-11 03:58:13,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:17,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:18,623 INFO L93 Difference]: Finished difference Result 342 states and 494 transitions. [2024-10-11 03:58:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 03:58:18,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 213 [2024-10-11 03:58:18,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:18,626 INFO L225 Difference]: With dead ends: 342 [2024-10-11 03:58:18,626 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 03:58:18,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 487 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:58:18,631 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 33 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 38 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:18,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 372 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 375 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-10-11 03:58:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 03:58:18,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 181. [2024-10-11 03:58:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 119 states have (on average 1.2773109243697478) internal successors, (152), 121 states have internal predecessors, (152), 49 states have call successors, (49), 10 states have call predecessors, (49), 12 states have return successors, (57), 49 states have call predecessors, (57), 49 states have call successors, (57) [2024-10-11 03:58:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 258 transitions. [2024-10-11 03:58:18,662 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 258 transitions. Word has length 213 [2024-10-11 03:58:18,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:18,663 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 258 transitions. [2024-10-11 03:58:18,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-10-11 03:58:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 258 transitions. [2024-10-11 03:58:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 03:58:18,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:18,666 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:18,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 03:58:18,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:18,867 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:18,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1561945135, now seen corresponding path program 2 times [2024-10-11 03:58:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778417065] [2024-10-11 03:58:18,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 03:58:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:19,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 03:58:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 03:58:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:58:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:58:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:58:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:58:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:58:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:58:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:58:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:58:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:58:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:58:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:58:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 03:58:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 03:58:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 03:58:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 03:58:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 03:58:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 03:58:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 03:58:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 03:58:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 03:58:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 03:58:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 03:58:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 03:58:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 03:58:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2024-10-11 03:58:20,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:20,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778417065] [2024-10-11 03:58:20,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778417065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:20,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:20,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 03:58:20,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986027180] [2024-10-11 03:58:20,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:20,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:58:20,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:20,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:58:20,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:58:20,151 INFO L87 Difference]: Start difference. First operand 181 states and 258 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 03:58:22,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:26,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:30,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:34,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:36,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:36,249 INFO L93 Difference]: Finished difference Result 483 states and 697 transitions. [2024-10-11 03:58:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:58:36,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 225 [2024-10-11 03:58:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:36,256 INFO L225 Difference]: With dead ends: 483 [2024-10-11 03:58:36,256 INFO L226 Difference]: Without dead ends: 339 [2024-10-11 03:58:36,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:58:36,259 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 205 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 177 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:36,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 637 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 597 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2024-10-11 03:58:36,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-11 03:58:36,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 329. [2024-10-11 03:58:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 208 states have (on average 1.2740384615384615) internal successors, (265), 213 states have internal predecessors, (265), 95 states have call successors, (95), 20 states have call predecessors, (95), 25 states have return successors, (118), 95 states have call predecessors, (118), 95 states have call successors, (118) [2024-10-11 03:58:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 478 transitions. [2024-10-11 03:58:36,311 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 478 transitions. Word has length 225 [2024-10-11 03:58:36,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:36,311 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 478 transitions. [2024-10-11 03:58:36,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 03:58:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 478 transitions. [2024-10-11 03:58:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 03:58:36,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:36,322 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:36,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 03:58:36,323 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:36,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1228066225, now seen corresponding path program 1 times [2024-10-11 03:58:36,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:36,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807209875] [2024-10-11 03:58:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:36,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 03:58:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 03:58:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 03:58:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:58:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:58:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:58:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:58:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:58:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:58:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:58:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:58:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:58:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:58:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:58:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 03:58:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 03:58:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 03:58:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 03:58:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 03:58:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 03:58:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 03:58:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 03:58:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 03:58:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 03:58:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 03:58:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 03:58:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 03:58:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2024-10-11 03:58:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807209875] [2024-10-11 03:58:37,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807209875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:37,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:37,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 03:58:37,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883625680] [2024-10-11 03:58:37,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:37,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:58:37,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:37,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:58:37,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:58:37,354 INFO L87 Difference]: Start difference. First operand 329 states and 478 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 03:58:41,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:45,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:46,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:50,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:55,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:56,378 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2024-10-11 03:58:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:58:56,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 225 [2024-10-11 03:58:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:56,382 INFO L225 Difference]: With dead ends: 605 [2024-10-11 03:58:56,383 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 03:58:56,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:58:56,385 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 148 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:56,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 690 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 714 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2024-10-11 03:58:56,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 03:58:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2024-10-11 03:58:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 189 states have (on average 1.2328042328042328) internal successors, (233), 193 states have internal predecessors, (233), 86 states have call successors, (86), 18 states have call predecessors, (86), 22 states have return successors, (100), 86 states have call predecessors, (100), 86 states have call successors, (100) [2024-10-11 03:58:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 419 transitions. [2024-10-11 03:58:56,423 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 419 transitions. Word has length 225 [2024-10-11 03:58:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:56,424 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 419 transitions. [2024-10-11 03:58:56,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 03:58:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2024-10-11 03:58:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 03:58:56,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:56,429 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:56,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 03:58:56,429 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:56,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:56,430 INFO L85 PathProgramCache]: Analyzing trace with hash -354795631, now seen corresponding path program 1 times [2024-10-11 03:58:56,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:56,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47048891] [2024-10-11 03:58:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:56,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 03:58:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 03:58:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 03:58:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:58:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:58:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:58:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:58:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:58:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:58:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:58:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:58:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:58:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:58:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:58:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:58:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:58:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 03:58:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 03:58:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 03:58:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 03:58:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 03:58:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 03:58:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 03:58:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 03:58:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 03:58:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 03:58:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 03:58:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 03:58:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 03:58:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2024-10-11 03:58:57,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47048891] [2024-10-11 03:58:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47048891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210172664] [2024-10-11 03:58:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:57,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:57,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:57,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 03:58:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:58,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 1833 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 03:58:58,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2024-10-11 03:58:58,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:58:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2024-10-11 03:58:59,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210172664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:58:59,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:58:59,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-10-11 03:58:59,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017645031] [2024-10-11 03:58:59,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:58:59,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 03:58:59,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:59,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 03:58:59,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-11 03:58:59,030 INFO L87 Difference]: Start difference. First operand 298 states and 419 transitions. Second operand has 16 states, 16 states have (on average 5.5) internal successors, (88), 12 states have internal predecessors, (88), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-10-11 03:59:03,105 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 [] [2024-10-11 03:59:07,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:59:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:59:09,088 INFO L93 Difference]: Finished difference Result 584 states and 840 transitions. [2024-10-11 03:59:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 03:59:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 12 states have internal predecessors, (88), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) Word has length 225 [2024-10-11 03:59:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:59:09,092 INFO L225 Difference]: With dead ends: 584 [2024-10-11 03:59:09,092 INFO L226 Difference]: Without dead ends: 313 [2024-10-11 03:59:09,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-10-11 03:59:09,094 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 249 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 137 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:59:09,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 656 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 771 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-10-11 03:59:09,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-11 03:59:09,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2024-10-11 03:59:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 199 states have (on average 1.2663316582914572) internal successors, (252), 203 states have internal predecessors, (252), 77 states have call successors, (77), 26 states have call predecessors, (77), 30 states have return successors, (101), 77 states have call predecessors, (101), 77 states have call successors, (101) [2024-10-11 03:59:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 430 transitions. [2024-10-11 03:59:09,129 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 430 transitions. Word has length 225 [2024-10-11 03:59:09,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:59:09,129 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 430 transitions. [2024-10-11 03:59:09,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 12 states have internal predecessors, (88), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-10-11 03:59:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 430 transitions. [2024-10-11 03:59:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 03:59:09,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:59:09,133 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:59:09,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 03:59:09,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 03:59:09,334 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:59:09,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:59:09,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2118025875, now seen corresponding path program 1 times [2024-10-11 03:59:09,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:59:09,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111959884] [2024-10-11 03:59:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:59:09,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:59:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 03:59:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:59:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:11,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:59:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 03:59:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 03:59:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:59:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:59:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:59:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:59:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:59:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:59:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:59:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:59:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:59:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:59:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:59:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:59:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:59:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:59:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 03:59:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 03:59:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 03:59:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 03:59:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 03:59:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 03:59:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 03:59:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 03:59:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 03:59:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 03:59:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 03:59:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 03:59:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 03:59:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 03:59:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 03:59:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2024-10-11 03:59:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:59:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111959884] [2024-10-11 03:59:12,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111959884] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:59:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769788612] [2024-10-11 03:59:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:59:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:59:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:59:12,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:59:12,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 03:59:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:59:13,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-11 03:59:13,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:59:13,412 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 13 treesize of output 9 [2024-10-11 03:59:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 03:59:20,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 03:59:20,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2024-10-11 03:59:21,792 INFO L349 Elim1Store]: treesize reduction 64, result has 54.9 percent of original size [2024-10-11 03:59:21,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 104