/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:01:53,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:01:53,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:01:53,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:01:53,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:01:53,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:01:53,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:01:53,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:01:53,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:01:53,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:01:53,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:01:53,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:01:53,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:01:53,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:01:53,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:01:53,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:01:53,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:01:53,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:01:53,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:01:53,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:01:53,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:01:53,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:01:53,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:01:53,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:01:53,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:01:53,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:01:53,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:01:53,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:01:53,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:01:53,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:01:53,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:01:53,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:01:53,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:01:53,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:01:53,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:01:53,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:01:53,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:01:53,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:01:53,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:01:53,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:01:53,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:01:53,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:01:53,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:01:53,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:01:53,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:01:53,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:01:53,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:01:53,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:01:53,491 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:01:53,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:01:53,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:01:53,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:01:53,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:01:53,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:01:53,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:01:53,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:01:53,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:01:53,494 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:01:53,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:01:53,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:01:53,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:01:53,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:01:53,671 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:01:53,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-03-15 20:01:53,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678f97fb5/1ade00aaea9b4c4988fe42a1126c7a31/FLAG4c54f04e2 [2022-03-15 20:01:54,066 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:01:54,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-03-15 20:01:54,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678f97fb5/1ade00aaea9b4c4988fe42a1126c7a31/FLAG4c54f04e2 [2022-03-15 20:01:54,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678f97fb5/1ade00aaea9b4c4988fe42a1126c7a31 [2022-03-15 20:01:54,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:01:54,475 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:01:54,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:01:54,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:01:54,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:01:54,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffb438a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54, skipping insertion in model container [2022-03-15 20:01:54,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:01:54,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:01:54,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2022-03-15 20:01:54,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:01:54,798 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:01:54,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2022-03-15 20:01:54,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:01:54,860 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:01:54,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54 WrapperNode [2022-03-15 20:01:54,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:01:54,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:01:54,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:01:54,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:01:54,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,901 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2022-03-15 20:01:54,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:01:54,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:01:54,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:01:54,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:01:54,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:01:54,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:01:54,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:01:54,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:01:54,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (1/1) ... [2022-03-15 20:01:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:01:54,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:01:54,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 20:01:54,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 20:01:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 20:01:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 20:01:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:01:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:01:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:01:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:01:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:01:54,979 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:01:55,098 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:01:55,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:01:55,267 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:01:55,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:01:55,273 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 20:01:55,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:01:55 BoogieIcfgContainer [2022-03-15 20:01:55,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:01:55,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:01:55,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:01:55,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:01:55,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:01:54" (1/3) ... [2022-03-15 20:01:55,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26716b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:01:55, skipping insertion in model container [2022-03-15 20:01:55,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:01:54" (2/3) ... [2022-03-15 20:01:55,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26716b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:01:55, skipping insertion in model container [2022-03-15 20:01:55,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:01:55" (3/3) ... [2022-03-15 20:01:55,281 INFO L111 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2022-03-15 20:01:55,285 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:01:55,285 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:01:55,285 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 20:01:55,285 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:01:55,331 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,331 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,331 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,331 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,331 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,332 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,336 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,338 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,339 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,343 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,343 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,343 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,345 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,345 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,346 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,346 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,346 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,347 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,347 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,348 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,358 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,358 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,358 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,358 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,358 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,359 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,359 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,360 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,362 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,363 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,363 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:01:55,365 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 20:01:55,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:01:55,405 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:01:55,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 20:01:55,414 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:01:55,420 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 135 transitions, 286 flow [2022-03-15 20:01:55,422 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 135 transitions, 286 flow [2022-03-15 20:01:55,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 135 transitions, 286 flow [2022-03-15 20:01:55,462 INFO L129 PetriNetUnfolder]: 10/133 cut-off events. [2022-03-15 20:01:55,462 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 20:01:55,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 133 events. 10/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 85. Up to 3 conditions per place. [2022-03-15 20:01:55,467 INFO L116 LiptonReduction]: Number of co-enabled transitions 1922 [2022-03-15 20:02:00,408 INFO L131 LiptonReduction]: Checked pairs total: 4404 [2022-03-15 20:02:00,408 INFO L133 LiptonReduction]: Total number of compositions: 118 [2022-03-15 20:02:00,427 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 33 transitions, 82 flow [2022-03-15 20:02:00,454 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 202 states, 201 states have (on average 2.691542288557214) internal successors, (541), 201 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 201 states have (on average 2.691542288557214) internal successors, (541), 201 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:02:00,462 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:00,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:00,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:00,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:00,467 INFO L85 PathProgramCache]: Analyzing trace with hash 844585504, now seen corresponding path program 1 times [2022-03-15 20:02:00,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:00,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381893365] [2022-03-15 20:02:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:00,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:02:00,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:00,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381893365] [2022-03-15 20:02:00,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381893365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:02:00,718 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:02:00,718 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:02:00,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1348586036] [2022-03-15 20:02:00,719 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:00,724 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:00,743 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 57 transitions. [2022-03-15 20:02:00,743 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:00,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:00,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:00,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:00,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:00,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:00,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:00,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:00,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:00,970 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [542#(< thread1Thread1of1ForFork1_~i~0 4)] [2022-03-15 20:02:00,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:02:00,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:00,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:02:00,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:02:00,991 INFO L87 Difference]: Start difference. First operand has 202 states, 201 states have (on average 2.691542288557214) internal successors, (541), 201 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:01,077 INFO L93 Difference]: Finished difference Result 362 states and 949 transitions. [2022-03-15 20:02:01,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:02:01,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 20:02:01,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:01,087 INFO L225 Difference]: With dead ends: 362 [2022-03-15 20:02:01,091 INFO L226 Difference]: Without dead ends: 362 [2022-03-15 20:02:01,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:02:01,096 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 37 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:01,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 23 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:02:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-03-15 20:02:01,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-03-15 20:02:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 2.628808864265928) internal successors, (949), 361 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 949 transitions. [2022-03-15 20:02:01,148 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 949 transitions. Word has length 13 [2022-03-15 20:02:01,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:01,148 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 949 transitions. [2022-03-15 20:02:01,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 949 transitions. [2022-03-15 20:02:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 20:02:01,153 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:01,153 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:01,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:02:01,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:01,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1615475680, now seen corresponding path program 1 times [2022-03-15 20:02:01,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:01,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537734224] [2022-03-15 20:02:01,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:02:01,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:01,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537734224] [2022-03-15 20:02:01,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537734224] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:01,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117118943] [2022-03-15 20:02:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:01,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:01,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:01,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:01,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:02:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:01,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-15 20:02:01,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:01,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:02:01,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117118943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:02:01,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:02:01,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-03-15 20:02:01,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1012056667] [2022-03-15 20:02:01,384 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:01,387 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:01,411 INFO L252 McrAutomatonBuilder]: Finished intersection with 114 states and 227 transitions. [2022-03-15 20:02:01,412 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:01,755 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1701#(< thread2Thread1of1ForFork0_~j~0 4)] [2022-03-15 20:02:01,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:02:01,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:01,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:02:01,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:02:01,757 INFO L87 Difference]: Start difference. First operand 362 states and 949 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:01,807 INFO L93 Difference]: Finished difference Result 650 states and 1729 transitions. [2022-03-15 20:02:01,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:02:01,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 20:02:01,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:01,810 INFO L225 Difference]: With dead ends: 650 [2022-03-15 20:02:01,810 INFO L226 Difference]: Without dead ends: 650 [2022-03-15 20:02:01,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:02:01,811 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 34 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:01,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 22 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:02:01,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-03-15 20:02:01,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2022-03-15 20:02:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 649 states have (on average 2.6640986132511557) internal successors, (1729), 649 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1729 transitions. [2022-03-15 20:02:01,830 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1729 transitions. Word has length 23 [2022-03-15 20:02:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:01,830 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 1729 transitions. [2022-03-15 20:02:01,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1729 transitions. [2022-03-15 20:02:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-15 20:02:01,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:01,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:01,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:02:02,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:02,050 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:02,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:02,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1167964672, now seen corresponding path program 1 times [2022-03-15 20:02:02,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:02,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365994739] [2022-03-15 20:02:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:02,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:02,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365994739] [2022-03-15 20:02:02,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365994739] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:02,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623349133] [2022-03-15 20:02:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:02,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:02,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:02:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:02,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:02:02,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:02,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:02:02,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623349133] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:02:02,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:02:02,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-03-15 20:02:02,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [462127180] [2022-03-15 20:02:02,242 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:02,247 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:02,309 INFO L252 McrAutomatonBuilder]: Finished intersection with 152 states and 292 transitions. [2022-03-15 20:02:02,310 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:02,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:02,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:02,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:02,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:02,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:02,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:02,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:02,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,062 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [3759#(or (= (+ ~num~0 2) 0) (< 0 (+ ~num~0 1))), 3654#(= ~num~0 0), 3758#(or (< 0 (+ |thread1Thread1of1ForFork1_#t~post6| 1)) (= (+ |thread1Thread1of1ForFork1_#t~post6| 2) 0)), 3757#(or (< 0 ~num~0) (= (+ ~num~0 1) 0)), 3756#(= (+ ~num~0 1) 0), 3755#(= (+ |thread1Thread1of1ForFork1_#t~post6| 1) 0)] [2022-03-15 20:02:03,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:02:03,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:03,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:02:03,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:02:03,063 INFO L87 Difference]: Start difference. First operand 650 states and 1729 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:03,205 INFO L93 Difference]: Finished difference Result 520 states and 1308 transitions. [2022-03-15 20:02:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:02:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-03-15 20:02:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:03,208 INFO L225 Difference]: With dead ends: 520 [2022-03-15 20:02:03,208 INFO L226 Difference]: Without dead ends: 502 [2022-03-15 20:02:03,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:02:03,209 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 63 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:03,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 28 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:02:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-03-15 20:02:03,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 458. [2022-03-15 20:02:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 2.549234135667396) internal successors, (1165), 457 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1165 transitions. [2022-03-15 20:02:03,219 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1165 transitions. Word has length 33 [2022-03-15 20:02:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:03,219 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 1165 transitions. [2022-03-15 20:02:03,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1165 transitions. [2022-03-15 20:02:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-15 20:02:03,220 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:03,220 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:03,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:02:03,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-15 20:02:03,436 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:03,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:03,436 INFO L85 PathProgramCache]: Analyzing trace with hash 259658010, now seen corresponding path program 2 times [2022-03-15 20:02:03,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:03,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414627394] [2022-03-15 20:02:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:03,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-15 20:02:03,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:03,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414627394] [2022-03-15 20:02:03,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414627394] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:02:03,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:02:03,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:02:03,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [265669585] [2022-03-15 20:02:03,496 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:03,500 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:03,547 INFO L252 McrAutomatonBuilder]: Finished intersection with 104 states and 188 transitions. [2022-03-15 20:02:03,548 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:03,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:03,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:03,731 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5201#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2022-03-15 20:02:03,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:02:03,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:03,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:02:03,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:02:03,732 INFO L87 Difference]: Start difference. First operand 458 states and 1165 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:03,770 INFO L93 Difference]: Finished difference Result 252 states and 502 transitions. [2022-03-15 20:02:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:02:03,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-03-15 20:02:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:03,772 INFO L225 Difference]: With dead ends: 252 [2022-03-15 20:02:03,772 INFO L226 Difference]: Without dead ends: 252 [2022-03-15 20:02:03,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:02:03,774 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 26 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:03,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 5 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:02:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-03-15 20:02:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 244. [2022-03-15 20:02:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 2.0) internal successors, (486), 243 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 486 transitions. [2022-03-15 20:02:03,781 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 486 transitions. Word has length 33 [2022-03-15 20:02:03,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:03,781 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 486 transitions. [2022-03-15 20:02:03,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 486 transitions. [2022-03-15 20:02:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-15 20:02:03,782 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:03,783 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:03,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:02:03,783 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1188146094, now seen corresponding path program 3 times [2022-03-15 20:02:03,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:03,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939391235] [2022-03-15 20:02:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:03,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:03,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:03,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939391235] [2022-03-15 20:02:03,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939391235] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:03,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251070647] [2022-03-15 20:02:03,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:02:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:03,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:03,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:02:03,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-15 20:02:03,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:02:03,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:02:03,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:04,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:02:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:02:04,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251070647] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:02:04,056 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:02:04,056 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-03-15 20:02:04,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667670442] [2022-03-15 20:02:04,056 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:04,060 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:04,078 INFO L252 McrAutomatonBuilder]: Finished intersection with 96 states and 169 transitions. [2022-03-15 20:02:04,078 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:04,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:04,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:04,486 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [5959#(<= thread1Thread1of1ForFork1_~i~0 0), 6062#(< thread1Thread1of1ForFork1_~i~0 4), 6142#(or (<= 3 thread1Thread1of1ForFork1_~i~0) (<= thread1Thread1of1ForFork1_~i~0 1)), 6143#(or (<= thread1Thread1of1ForFork1_~i~0 0) (<= 4 thread1Thread1of1ForFork1_~i~0)), 6141#(or (<= 4 thread1Thread1of1ForFork1_~i~0) (<= thread1Thread1of1ForFork1_~i~0 2))] [2022-03-15 20:02:04,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:02:04,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:04,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:02:04,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:02:04,487 INFO L87 Difference]: Start difference. First operand 244 states and 486 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:04,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:04,580 INFO L93 Difference]: Finished difference Result 420 states and 822 transitions. [2022-03-15 20:02:04,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:02:04,581 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-03-15 20:02:04,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:04,582 INFO L225 Difference]: With dead ends: 420 [2022-03-15 20:02:04,582 INFO L226 Difference]: Without dead ends: 420 [2022-03-15 20:02:04,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:02:04,583 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 129 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:04,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 63 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:02:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-03-15 20:02:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2022-03-15 20:02:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 1.963680387409201) internal successors, (811), 413 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 811 transitions. [2022-03-15 20:02:04,590 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 811 transitions. Word has length 33 [2022-03-15 20:02:04,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:04,590 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 811 transitions. [2022-03-15 20:02:04,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 811 transitions. [2022-03-15 20:02:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-15 20:02:04,592 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:04,592 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:04,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 20:02:04,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:04,812 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:04,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:04,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1014273106, now seen corresponding path program 4 times [2022-03-15 20:02:04,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:04,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251899795] [2022-03-15 20:02:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 20:02:04,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:04,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251899795] [2022-03-15 20:02:04,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251899795] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:04,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661347063] [2022-03-15 20:02:04,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:02:04,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:04,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:04,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:02:04,942 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:02:04,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:02:04,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:02:04,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 20:02:04,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:02:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 20:02:05,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661347063] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:02:05,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:02:05,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-03-15 20:02:05,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [196780037] [2022-03-15 20:02:05,040 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:05,046 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:05,077 INFO L252 McrAutomatonBuilder]: Finished intersection with 136 states and 249 transitions. [2022-03-15 20:02:05,077 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:05,464 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [7651#(or (<= thread2Thread1of1ForFork0_~j~0 2) (<= 4 thread2Thread1of1ForFork0_~j~0)), 7590#(< thread2Thread1of1ForFork0_~j~0 4), 7652#(or (<= 3 thread2Thread1of1ForFork0_~j~0) (<= thread2Thread1of1ForFork0_~j~0 1))] [2022-03-15 20:02:05,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:02:05,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:05,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:02:05,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:02:05,465 INFO L87 Difference]: Start difference. First operand 414 states and 811 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:05,556 INFO L93 Difference]: Finished difference Result 868 states and 1654 transitions. [2022-03-15 20:02:05,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:02:05,557 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-03-15 20:02:05,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:05,559 INFO L225 Difference]: With dead ends: 868 [2022-03-15 20:02:05,560 INFO L226 Difference]: Without dead ends: 868 [2022-03-15 20:02:05,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 172 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:02:05,560 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 150 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:05,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 55 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:02:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-03-15 20:02:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 850. [2022-03-15 20:02:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 849 states have (on average 1.9093050647820966) internal successors, (1621), 849 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1621 transitions. [2022-03-15 20:02:05,573 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1621 transitions. Word has length 43 [2022-03-15 20:02:05,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:05,573 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 1621 transitions. [2022-03-15 20:02:05,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1621 transitions. [2022-03-15 20:02:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-15 20:02:05,575 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:05,575 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:05,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 20:02:05,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:05,791 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1182395186, now seen corresponding path program 5 times [2022-03-15 20:02:05,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:05,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318467238] [2022-03-15 20:02:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-03-15 20:02:05,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:05,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318467238] [2022-03-15 20:02:05,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318467238] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:05,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892023478] [2022-03-15 20:02:05,851 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 20:02:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:05,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:05,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:05,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 20:02:05,984 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-15 20:02:05,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:02:05,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 20:02:05,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-03-15 20:02:06,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:02:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-03-15 20:02:06,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892023478] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:02:06,137 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:02:06,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 6 [2022-03-15 20:02:06,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [799121805] [2022-03-15 20:02:06,137 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:06,147 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:06,193 INFO L252 McrAutomatonBuilder]: Finished intersection with 156 states and 279 transitions. [2022-03-15 20:02:06,193 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:02:06,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:02:06,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:02:06,722 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 7 new interpolants: [10545#(<= 0 (+ |thread1Thread1of1ForFork1_#t~post6| 1)), 10543#(< 0 ~num~0), 10233#(<= 0 ~num~0), 10544#(< 0 (+ |thread1Thread1of1ForFork1_#t~post6| 1)), 10547#(<= 0 |thread2Thread1of1ForFork0_#t~post10|), 10548#(<= 1 |thread2Thread1of1ForFork0_#t~post10|), 10546#(<= 0 (+ ~num~0 1))] [2022-03-15 20:02:06,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:02:06,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:02:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:02:06,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:02:06,723 INFO L87 Difference]: Start difference. First operand 850 states and 1621 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:02:06,815 INFO L93 Difference]: Finished difference Result 404 states and 752 transitions. [2022-03-15 20:02:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:02:06,816 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-03-15 20:02:06,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:02:06,817 INFO L225 Difference]: With dead ends: 404 [2022-03-15 20:02:06,817 INFO L226 Difference]: Without dead ends: 398 [2022-03-15 20:02:06,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 184 SyntacticMatches, 18 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:02:06,818 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 74 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:02:06,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 8 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:02:06,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-03-15 20:02:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 364. [2022-03-15 20:02:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 363 states have (on average 1.8980716253443526) internal successors, (689), 363 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 689 transitions. [2022-03-15 20:02:06,824 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 689 transitions. Word has length 53 [2022-03-15 20:02:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:02:06,825 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 689 transitions. [2022-03-15 20:02:06,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:02:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 689 transitions. [2022-03-15 20:02:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-15 20:02:06,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:02:06,826 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:02:06,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 20:02:07,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:07,045 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:02:07,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:02:07,045 INFO L85 PathProgramCache]: Analyzing trace with hash -623954794, now seen corresponding path program 6 times [2022-03-15 20:02:07,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:02:07,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637950430] [2022-03-15 20:02:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:02:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:02:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:02:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:02:07,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:02:07,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637950430] [2022-03-15 20:02:07,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637950430] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:02:07,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429489682] [2022-03-15 20:02:07,287 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 20:02:07,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:02:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:02:07,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:02:07,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 20:02:07,460 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-03-15 20:02:07,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:02:07,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-15 20:02:07,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:02:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:02:07,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:02:32,552 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_thread2Thread1of1ForFork0_~j~0_75 Int) (aux_div_thread2Thread1of1ForFork0_~j~0_75 Int)) (let ((.cse1 (+ c_thread2Thread1of1ForFork0_~j~0 c_~total~0)) (.cse0 (* aux_div_thread2Thread1of1ForFork0_~j~0_75 4294967296))) (or (< (+ aux_mod_thread2Thread1of1ForFork0_~j~0_75 4294967289 .cse0) .cse1) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_75) (<= (div (+ (- 8589934575) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_75) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_75) c_thread2Thread1of1ForFork0_~j~0 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_75 1)) (<= .cse1 (+ 4294967288 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse0))))) (forall ((aux_div_thread2Thread1of1ForFork0_~j~0_66 Int) (aux_mod_thread2Thread1of1ForFork0_~j~0_66 Int)) (let ((.cse3 (+ c_thread2Thread1of1ForFork0_~j~0 c_~total~0)) (.cse2 (* aux_div_thread2Thread1of1ForFork0_~j~0_66 4294967296))) (or (<= (div (+ (- 14) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_66) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_66) c_thread2Thread1of1ForFork0_~j~0 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_66 1)) (< (+ 3 aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse2) .cse3) (<= .cse3 (+ 2 aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse2)) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_66))))) is different from false [2022-03-15 20:02:34,860 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_thread2Thread1of1ForFork0_~j~0_75 Int) (aux_div_thread2Thread1of1ForFork0_~j~0_75 Int)) (let ((.cse1 (+ c_thread2Thread1of1ForFork0_~j~0 c_~total~0)) (.cse0 (* aux_div_thread2Thread1of1ForFork0_~j~0_75 4294967296))) (or (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_75) (<= (div (+ (- 8589934574) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_75) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_75) c_thread2Thread1of1ForFork0_~j~0 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_75 1)) (< (+ 4294967288 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse0) .cse1) (<= .cse1 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_75 4294967287 .cse0))))) (forall ((aux_div_thread2Thread1of1ForFork0_~j~0_66 Int) (aux_mod_thread2Thread1of1ForFork0_~j~0_66 Int)) (let ((.cse3 (+ c_thread2Thread1of1ForFork0_~j~0 c_~total~0)) (.cse2 (* aux_div_thread2Thread1of1ForFork0_~j~0_66 4294967296))) (or (<= (div (+ (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_66) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_66) (- 13) c_thread2Thread1of1ForFork0_~j~0 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_66 1)) (< (+ 2 aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse2) .cse3) (<= .cse3 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse2 1)) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_66))))) is different from false [2022-03-15 20:02:36,997 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_thread2Thread1of1ForFork0_~j~0_75 Int) (aux_div_thread2Thread1of1ForFork0_~j~0_75 Int)) (let ((.cse2 (* 2 c_thread2Thread1of1ForFork0_~j~0))) (let ((.cse1 (+ .cse2 c_~total~0)) (.cse0 (* aux_div_thread2Thread1of1ForFork0_~j~0_75 4294967296))) (or (< (+ 4294967288 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse0) .cse1) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_75) (<= .cse1 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_75 4294967287 .cse0)) (<= (div (+ (- 8589934574) .cse2 (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_75) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_75) c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_75 1)))))) (forall ((aux_div_thread2Thread1of1ForFork0_~j~0_66 Int) (aux_mod_thread2Thread1of1ForFork0_~j~0_66 Int)) (let ((.cse5 (* 2 c_thread2Thread1of1ForFork0_~j~0))) (let ((.cse4 (* aux_div_thread2Thread1of1ForFork0_~j~0_66 4294967296)) (.cse3 (+ .cse5 c_~total~0))) (or (<= .cse3 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse4 1)) (< (+ 2 aux_mod_thread2Thread1of1ForFork0_~j~0_66 .cse4) .cse3) (<= (div (+ (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_66) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_66) (- 13) .cse5 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_66 1)) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_66)))))) is different from false [2022-03-15 20:02:39,324 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_div_thread2Thread1of1ForFork0_~j~0_66 Int) (aux_mod_thread2Thread1of1ForFork0_~j~0_66 Int)) (let ((.cse1 (* 2 c_thread2Thread1of1ForFork0_~j~0)) (.cse0 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_66 (* aux_div_thread2Thread1of1ForFork0_~j~0_66 4294967296)))) (or (< .cse0 (+ .cse1 c_~total~0)) (<= (div (+ (- 11) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_66) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_66) .cse1 c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_66 1)) (<= (+ .cse1 c_~total~0 1) .cse0) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_66)))) (forall ((aux_mod_thread2Thread1of1ForFork0_~j~0_75 Int) (aux_div_thread2Thread1of1ForFork0_~j~0_75 Int)) (let ((.cse4 (* 2 c_thread2Thread1of1ForFork0_~j~0))) (let ((.cse3 (+ .cse4 c_~total~0)) (.cse2 (* aux_div_thread2Thread1of1ForFork0_~j~0_75 4294967296))) (or (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_75) (< (+ 4294967286 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse2) .cse3) (<= (div (+ .cse4 (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_75) (- 8589934572) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_75) c_~total~0) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_75 1)) (<= .cse3 (+ 4294967285 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse2))))))) is different from false [2022-03-15 20:02:41,455 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_mod_thread2Thread1of1ForFork0_~j~0_75 Int) (aux_div_thread2Thread1of1ForFork0_~j~0_75 Int)) (let ((.cse2 (* 3 c_thread2Thread1of1ForFork0_~j~0))) (let ((.cse1 (* aux_div_thread2Thread1of1ForFork0_~j~0_75 4294967296)) (.cse0 (+ c_~total~0 .cse2))) (or (<= .cse0 (+ 4294967285 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse1)) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_75) (< (+ 4294967286 aux_mod_thread2Thread1of1ForFork0_~j~0_75 .cse1) .cse0) (<= (div (+ (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_75) (- 8589934572) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_75) c_~total~0 .cse2) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_75 1)))))) (forall ((aux_div_thread2Thread1of1ForFork0_~j~0_66 Int) (aux_mod_thread2Thread1of1ForFork0_~j~0_66 Int)) (let ((.cse4 (+ aux_mod_thread2Thread1of1ForFork0_~j~0_66 (* aux_div_thread2Thread1of1ForFork0_~j~0_66 4294967296))) (.cse3 (* 3 c_thread2Thread1of1ForFork0_~j~0))) (or (<= (+ c_~total~0 .cse3 1) .cse4) (< .cse4 (+ c_~total~0 .cse3)) (<= (div (+ (- 11) (* (- 2) aux_mod_thread2Thread1of1ForFork0_~j~0_66) (* (- 8589934592) aux_div_thread2Thread1of1ForFork0_~j~0_66) c_~total~0 .cse3) (- 4294967296)) (+ aux_div_thread2Thread1of1ForFork0_~j~0_66 1)) (<= 4294967296 aux_mod_thread2Thread1of1ForFork0_~j~0_66))))) is different from false [2022-03-15 20:02:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 57 not checked. [2022-03-15 20:02:55,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429489682] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:02:55,042 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:02:55,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 29 [2022-03-15 20:02:55,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1989843152] [2022-03-15 20:02:55,043 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:02:55,052 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:02:55,119 INFO L252 McrAutomatonBuilder]: Finished intersection with 146 states and 249 transitions. [2022-03-15 20:02:55,120 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:03:00,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:00,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:00,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:00,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:02,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:02,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:02,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:02,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:02,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:02,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:02,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:02,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:02,475 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 11 new interpolants: [12031#(and (or (<= 4 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) (+ (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 1) 4294967296) 4294967296) 9))) (or (<= 4 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) 9)) (or (< (+ (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 1) 4294967296) 4294967296) 8) (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0)) (<= 4 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 3))), 12028#(and (or (< thread2Thread1of1ForFork0_~j~0 4) (<= (+ ~total~0 thread2Thread1of1ForFork0_~j~0) (+ (* (div (+ ~total~0 thread2Thread1of1ForFork0_~j~0) 4294967296) 4294967296) 10))) (or (< thread2Thread1of1ForFork0_~j~0 4) (< (+ 9 (* (div (+ ~total~0 thread2Thread1of1ForFork0_~j~0) 4294967296) 4294967296)) (+ ~total~0 thread2Thread1of1ForFork0_~j~0))) (or (<= (+ ~total~0 thread2Thread1of1ForFork0_~j~0) 10) (< thread2Thread1of1ForFork0_~j~0 4))), 12034#(and (or (<= (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0)) (+ (* (div (+ ~total~0 6 (* 3 thread2Thread1of1ForFork0_~j~0)) 4294967296) 4294967296) 4)) (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0)) (or (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0) (<= (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0)) 4)) (or (< (+ (* (div (+ ~total~0 6 (* 3 thread2Thread1of1ForFork0_~j~0)) 4294967296) 4294967296) 3) (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0))) (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0))), 12036#(and (or (<= 1 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 0) (< (* (div (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4) 10) 4294967296) 4294967296) (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4) 1))) (or (<= 1 thread2Thread1of1ForFork0_~j~0) (<= (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4)) (* (div (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4) 10) 4294967296) 4294967296)) (< thread2Thread1of1ForFork0_~j~0 0)) (or (<= 1 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 0) (<= (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4)) 0))), 12032#(and (or (<= 3 thread2Thread1of1ForFork0_~j~0) (< thread2Thread1of1ForFork0_~j~0 2) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) (+ 7 (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 3) 4294967296) 4294967296)))) (or (<= 3 thread2Thread1of1ForFork0_~j~0) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) 7) (< thread2Thread1of1ForFork0_~j~0 2)) (or (<= 3 thread2Thread1of1ForFork0_~j~0) (< (+ (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 3) 4294967296) 4294967296) 6) (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0)) (< thread2Thread1of1ForFork0_~j~0 2))), 12033#(and (or (<= 3 thread2Thread1of1ForFork0_~j~0) (< (+ (* 4294967296 (div (+ ~total~0 3 (* 3 thread2Thread1of1ForFork0_~j~0)) 4294967296)) 6) (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0))) (< thread2Thread1of1ForFork0_~j~0 2)) (or (<= 3 thread2Thread1of1ForFork0_~j~0) (<= (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0)) (+ (* 4294967296 (div (+ ~total~0 3 (* 3 thread2Thread1of1ForFork0_~j~0)) 4294967296)) 7)) (< thread2Thread1of1ForFork0_~j~0 2)) (or (<= 3 thread2Thread1of1ForFork0_~j~0) (<= (+ ~total~0 (* 3 thread2Thread1of1ForFork0_~j~0)) 7) (< thread2Thread1of1ForFork0_~j~0 2))), 12030#(and (or (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) (+ (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 1) 4294967296) 4294967296) 9))) (or (< (+ (* (div (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0 1) 4294967296) 4294967296) 8) (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0)) (< thread2Thread1of1ForFork0_~j~0 3)) (or (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) 9))), 12029#(and (or (< thread2Thread1of1ForFork0_~j~0 3) (< (+ (* (div (+ ~total~0 thread2Thread1of1ForFork0_~j~0 1) 4294967296) 4294967296) 8) (+ ~total~0 thread2Thread1of1ForFork0_~j~0))) (or (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ ~total~0 thread2Thread1of1ForFork0_~j~0) 9)) (or (< thread2Thread1of1ForFork0_~j~0 3) (<= (+ ~total~0 thread2Thread1of1ForFork0_~j~0) (+ (* (div (+ ~total~0 thread2Thread1of1ForFork0_~j~0 1) 4294967296) 4294967296) 9)))), 12037#(and (< (* (div (+ ~total~0 10) 4294967296) 4294967296) (+ ~total~0 1)) (<= ~total~0 (* (div (+ ~total~0 10) 4294967296) 4294967296)) (<= ~total~0 0)), 12038#(and (or (<= 4 thread2Thread1of1ForFork0_~j~0) (<= 9 (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0))) (or (<= 4 thread2Thread1of1ForFork0_~j~0) (<= (+ (* 2 thread2Thread1of1ForFork0_~j~0) ~total~0) 9))), 12035#(and (or (<= (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4)) (+ (* (div (+ ~total~0 6 (* thread2Thread1of1ForFork0_~j~0 4)) 4294967296) 4294967296) 4)) (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0)) (or (< (+ (* (div (+ ~total~0 6 (* thread2Thread1of1ForFork0_~j~0 4)) 4294967296) 4294967296) 3) (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4))) (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0)) (or (<= (+ ~total~0 (* thread2Thread1of1ForFork0_~j~0 4)) 4) (< thread2Thread1of1ForFork0_~j~0 1) (<= 2 thread2Thread1of1ForFork0_~j~0)))] [2022-03-15 20:03:02,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 20:03:02,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:03:02,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 20:03:02,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1121, Unknown=13, NotChecked=370, Total=1722 [2022-03-15 20:03:02,477 INFO L87 Difference]: Start difference. First operand 364 states and 689 transitions. Second operand has 23 states, 22 states have (on average 6.181818181818182) internal successors, (136), 22 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:03:03,628 INFO L93 Difference]: Finished difference Result 613 states and 1187 transitions. [2022-03-15 20:03:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 20:03:03,628 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.181818181818182) internal successors, (136), 22 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-03-15 20:03:03,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:03:03,630 INFO L225 Difference]: With dead ends: 613 [2022-03-15 20:03:03,630 INFO L226 Difference]: Without dead ends: 538 [2022-03-15 20:03:03,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 163 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=336, Invalid=1927, Unknown=13, NotChecked=480, Total=2756 [2022-03-15 20:03:03,631 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 595 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 20:03:03,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 520 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 20:03:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-03-15 20:03:03,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 492. [2022-03-15 20:03:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 491 states have (on average 1.859470468431772) internal successors, (913), 491 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 913 transitions. [2022-03-15 20:03:03,638 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 913 transitions. Word has length 53 [2022-03-15 20:03:03,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:03:03,639 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 913 transitions. [2022-03-15 20:03:03,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.181818181818182) internal successors, (136), 22 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 913 transitions. [2022-03-15 20:03:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-15 20:03:03,640 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:03:03,640 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:03:03,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-15 20:03:03,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:03:03,856 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:03:03,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:03:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash 17279476, now seen corresponding path program 7 times [2022-03-15 20:03:03,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:03:03,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001881356] [2022-03-15 20:03:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:03:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:03:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:03:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:03:04,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:03:04,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001881356] [2022-03-15 20:03:04,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001881356] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:03:04,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538534949] [2022-03-15 20:03:04,013 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 20:03:04,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:03:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:03:04,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:03:04,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 20:03:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:03:04,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 20:03:04,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:03:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-15 20:03:04,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:03:04,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538534949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:03:04,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:03:04,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2022-03-15 20:03:04,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2047117732] [2022-03-15 20:03:04,247 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:03:04,265 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:03:04,354 INFO L252 McrAutomatonBuilder]: Finished intersection with 186 states and 309 transitions. [2022-03-15 20:03:04,354 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:03:04,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:04,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:04,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:04,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:05,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:05,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:05,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:05,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:05,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:05,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:05,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:03:05,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:03:05,145 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 8 new interpolants: [13899#(or (< thread1Thread1of1ForFork1_~i~0 0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 13900#(or (< (+ thread1Thread1of1ForFork1_~i~0 1) 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 13894#(< thread1Thread1of1ForFork1_~i~0 4), 13896#(or (<= 4 thread1Thread1of1ForFork1_~i~0) (< thread1Thread1of1ForFork1_~i~0 3)), 13897#(or (<= 3 thread1Thread1of1ForFork1_~i~0) (< thread1Thread1of1ForFork1_~i~0 2)), 13901#(or (< (+ 2 thread1Thread1of1ForFork1_~i~0) 0) (<= 0 (+ thread1Thread1of1ForFork1_~i~0 1))), 13898#(or (< thread1Thread1of1ForFork1_~i~0 1) (<= 2 thread1Thread1of1ForFork1_~i~0)), 13895#(< thread1Thread1of1ForFork1_~i~0 3)] [2022-03-15 20:03:05,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:03:05,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:03:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:03:05,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2022-03-15 20:03:05,146 INFO L87 Difference]: Start difference. First operand 492 states and 913 transitions. Second operand has 15 states, 15 states have (on average 9.8) internal successors, (147), 15 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:05,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:03:05,278 INFO L93 Difference]: Finished difference Result 286 states and 518 transitions. [2022-03-15 20:03:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:03:05,278 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.8) internal successors, (147), 15 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-03-15 20:03:05,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:03:05,279 INFO L225 Difference]: With dead ends: 286 [2022-03-15 20:03:05,279 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:03:05,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 176 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=703, Unknown=0, NotChecked=0, Total=870 [2022-03-15 20:03:05,279 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 267 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:03:05,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 100 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:03:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:03:05,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:03:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:03:05,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2022-03-15 20:03:05,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:03:05,280 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:03:05,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.8) internal successors, (147), 15 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:03:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:03:05,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:03:05,282 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-15 20:03:05,282 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-15 20:03:05,282 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-15 20:03:05,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-15 20:03:05,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:03:05,493 INFO L732 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2022-03-15 20:03:05,494 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:03:05,494 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:03:05,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:03:05 BasicIcfg [2022-03-15 20:03:05,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:03:05,498 INFO L158 Benchmark]: Toolchain (without parser) took 71022.82ms. Allocated memory was 189.8MB in the beginning and 374.3MB in the end (delta: 184.5MB). Free memory was 130.9MB in the beginning and 142.2MB in the end (delta: -11.2MB). Peak memory consumption was 174.1MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,498 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:03:05,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.35ms. Allocated memory was 189.8MB in the beginning and 259.0MB in the end (delta: 69.2MB). Free memory was 130.8MB in the beginning and 211.4MB in the end (delta: -80.6MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.00ms. Allocated memory is still 259.0MB. Free memory was 211.4MB in the beginning and 209.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,503 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 259.0MB. Free memory was 209.3MB in the beginning and 207.6MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,503 INFO L158 Benchmark]: RCFGBuilder took 353.58ms. Allocated memory is still 259.0MB. Free memory was 207.6MB in the beginning and 193.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,503 INFO L158 Benchmark]: TraceAbstraction took 70222.36ms. Allocated memory was 259.0MB in the beginning and 374.3MB in the end (delta: 115.3MB). Free memory was 192.1MB in the beginning and 142.2MB in the end (delta: 50.0MB). Peak memory consumption was 166.4MB. Max. memory is 8.0GB. [2022-03-15 20:03:05,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.35ms. Allocated memory was 189.8MB in the beginning and 259.0MB in the end (delta: 69.2MB). Free memory was 130.8MB in the beginning and 211.4MB in the end (delta: -80.6MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.00ms. Allocated memory is still 259.0MB. Free memory was 211.4MB in the beginning and 209.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 259.0MB. Free memory was 209.3MB in the beginning and 207.6MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.58ms. Allocated memory is still 259.0MB. Free memory was 207.6MB in the beginning and 193.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 70222.36ms. Allocated memory was 259.0MB in the beginning and 374.3MB in the end (delta: 115.3MB). Free memory was 192.1MB in the beginning and 142.2MB in the end (delta: 50.0MB). Peak memory consumption was 166.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 132 PlacesBefore, 35 PlacesAfterwards, 135 TransitionsBefore, 33 TransitionsAfterwards, 1922 CoEnabledTransitionPairs, 7 FixpointIterations, 66 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 118 TotalNumberOfCompositions, 4404 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2777, positive: 2610, positive conditional: 0, positive unconditional: 2610, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1034, positive: 1006, positive conditional: 0, positive unconditional: 1006, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2777, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 1034, unknown conditional: 0, unknown unconditional: 1034] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 171 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 70.1s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1375 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1375 mSDsluCounter, 824 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2136 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2220 IncrementalHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 135 mSDtfsCounter, 2220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1322 GetRequests, 1158 SyntacticMatches, 36 SemanticMatches, 128 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 51.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred in iteration=6, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 156 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 48.8s InterpolantComputationTime, 668 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 830 ConstructedInterpolants, 41 QuantifiedInterpolants, 6336 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2184 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 638/953 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:03:05,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...