/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_inw.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:31:17,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:31:17,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:31:17,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:31:17,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:31:17,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:31:17,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:31:17,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:31:17,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:31:17,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:31:17,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:31:17,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:31:17,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:31:17,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:31:17,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:31:17,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:31:17,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:31:17,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:31:17,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:31:17,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:31:17,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:31:17,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:31:17,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:31:17,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:31:17,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:31:17,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:31:17,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:31:17,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:31:17,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:31:17,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:31:17,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:31:17,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:31:17,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:31:17,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:31:17,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:31:17,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:31:17,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:31:17,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:31:17,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:31:17,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:31:17,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:31:17,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 05:31:17,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:31:17,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:31:17,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:31:17,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:31:17,451 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:31:17,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:31:17,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:31:17,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:31:17,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:31:17,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:31:17,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:31:17,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:31:17,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:31:17,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:31:17,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:31:17,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:31:17,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:31:17,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:31:17,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:31:17,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:31:17,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:31:17,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:31:17,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:31:17,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:31:17,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:31:17,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:31:17,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:31:17,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:31:17,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:31:17,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 05:31:17,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:31:17,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:31:17,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:31:17,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:31:17,799 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:31:17,800 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_inw.i [2020-10-13 05:31:17,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ba9158f3/78cbaf496b694c36b013ccbcd021a40a/FLAG5cd045f1e [2020-10-13 05:31:18,537 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:31:18,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_inw.i [2020-10-13 05:31:18,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ba9158f3/78cbaf496b694c36b013ccbcd021a40a/FLAG5cd045f1e [2020-10-13 05:31:18,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ba9158f3/78cbaf496b694c36b013ccbcd021a40a [2020-10-13 05:31:18,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:31:18,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:31:18,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:31:18,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:31:18,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:31:18,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:31:18" (1/1) ... [2020-10-13 05:31:18,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2dea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:18, skipping insertion in model container [2020-10-13 05:31:18,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:31:18" (1/1) ... [2020-10-13 05:31:18,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:31:18,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:31:20,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:31:20,720 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:31:20,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:31:21,503 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:31:21,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21 WrapperNode [2020-10-13 05:31:21,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:31:21,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:31:21,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:31:21,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:31:21,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... [2020-10-13 05:31:21,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:31:21,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:31:21,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:31:21,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:31:21,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:31:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:31:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:31:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 05:31:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-13 05:31:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-13 05:31:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 05:31:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 05:31:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 05:31:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2020-10-13 05:31:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_interrupt [2020-10-13 05:31:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-13 05:31:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_usecs [2020-10-13 05:31:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-13 05:31:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-13 05:31:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 05:31:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 05:31:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 05:31:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-13 05:31:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-13 05:31:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 05:31:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_init [2020-10-13 05:31:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_destroy [2020-10-13 05:31:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_lock [2020-10-13 05:31:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_unlock [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2020-10-13 05:31:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_negative [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sigfillset [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sigaddsetmask [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sigdelsetmask [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sigtestsetmask [2020-10-13 05:31:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-13 05:31:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 05:31:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 05:31:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-13 05:31:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2020-10-13 05:31:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2020-10-13 05:31:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_status [2020-10-13 05:31:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2020-10-13 05:31:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2020-10-13 05:31:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_timer [2020-10-13 05:31:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2020-10-13 05:31:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_on [2020-10-13 05:31:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2020-10-13 05:31:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_write [2020-10-13 05:31:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ioctl [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_open [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_close [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_notify_sys [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_show_action [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_init [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_exit [2020-10-13 05:31:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:31:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 05:31:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 05:31:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2020-10-13 05:31:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2020-10-13 05:31:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kernel [2020-10-13 05:31:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ddv [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_ddv [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_cdev_functions [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure create_request [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rq_function [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_genhd_functions [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_interrupt_handler [2020-10-13 05:31:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure create_pci_dev [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_device [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove_device [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure call_pci_functions [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure call_tasklet_functions [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure call_timer_functions [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-13 05:31:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_class [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_register_driver [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-13 05:31:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure put_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-13 05:31:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fixed_request_queue [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-13 05:31:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure end_request [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_hardsect_size [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-13 05:31:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-13 05:31:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-13 05:31:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2020-10-13 05:31:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-13 05:31:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-13 05:31:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2020-10-13 05:31:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-13 05:31:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-13 05:31:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-13 05:31:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_init [2020-10-13 05:31:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 05:31:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 05:31:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2020-10-13 05:31:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2020-10-13 05:31:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 05:31:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 05:31:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2020-10-13 05:31:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-13 05:31:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2020-10-13 05:31:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure inw_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outw_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure inl_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outl_p [2020-10-13 05:31:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 05:31:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-13 05:31:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-13 05:31:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX [2020-10-13 05:31:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX_LOCKED [2020-10-13 05:31:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-13 05:31:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2020-10-13 05:31:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 05:31:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2020-10-13 05:31:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-13 05:31:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-13 05:31:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 05:31:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 05:31:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-13 05:31:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-13 05:31:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer_on [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_head [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_all [2020-10-13 05:31:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_interruptible [2020-10-13 05:31:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sleep_on [2020-10-13 05:31:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2020-10-13 05:31:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 05:31:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure call_shared_workqueue_functions [2020-10-13 05:31:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-13 05:31:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-13 05:31:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-13 05:31:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_page [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 05:31:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2020-10-13 05:31:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure release_mem_region [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mem_region [2020-10-13 05:31:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2020-10-13 05:31:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2020-10-13 05:31:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 05:31:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:31:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 05:31:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 05:31:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 05:31:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_interrupt [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure call_ddv [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure barrier [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_usecs [2020-10-13 05:31:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer_on [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2020-10-13 05:31:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-13 05:31:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure rmb [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read_barrier_depends [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure wmb [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure mb [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 05:31:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_head [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-13 05:31:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_all [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_interruptible [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue_exclusive [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure sleep_on [2020-10-13 05:31:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2020-10-13 05:31:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pthread_t [2020-10-13 05:31:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-13 05:31:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-13 05:31:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-13 05:31:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-13 05:31:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-13 05:31:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-13 05:31:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-13 05:31:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-13 05:31:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getattr_np [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-13 05:31:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-13 05:31:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getconcurrency [2020-10-13 05:31:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setconcurrency [2020-10-13 05:31:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_yield [2020-10-13 05:31:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-13 05:31:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-13 05:31:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-13 05:31:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-13 05:31:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-13 05:31:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-13 05:31:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-13 05:31:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-13 05:31:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-13 05:31:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-13 05:31:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-13 05:31:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_kill_other_threads_np [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 05:31:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sector_t [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pchar [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 05:31:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure noop [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_negative [2020-10-13 05:31:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-13 05:31:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2020-10-13 05:31:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-13 05:31:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_page [2020-10-13 05:31:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2020-10-13 05:31:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure free_page [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 05:31:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ksize [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-13 05:31:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strnicmp [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strstrip [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-13 05:31:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure memscan [2020-10-13 05:31:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_change_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 05:31:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure sigfillset [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure sigaddsetmask [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure sigdelsetmask [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure sigtestsetmask [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-13 05:31:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_signal [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure set_current_state [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure kill_proc [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2020-10-13 05:31:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-13 05:31:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtol [2020-10-13 05:31:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2020-10-13 05:31:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoll [2020-10-13 05:31:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 05:31:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure cond_resched [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_option [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_options [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-13 05:31:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX_LOCKED [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 05:31:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_open [2020-10-13 05:31:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_show [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure check_disk_change [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-13 05:31:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure request_mem_region [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure release_mem_region [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure machine_restart [2020-10-13 05:31:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure machine_halt [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure machine_power_off [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure machine_shutdown [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure machine_crash_shutdown [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_shutdown_prepare [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_restart [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_halt [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_power_off [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_alt_del [2020-10-13 05:31:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure emergency_restart [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-13 05:31:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure inw_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure outw_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure inl_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure outl_p [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-13 05:31:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2020-10-13 05:31:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-13 05:31:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_user [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user [2020-10-13 05:31:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure put_user [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_status [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_timer [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2020-10-13 05:31:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_on [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_write [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ioctl [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_open [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_close [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_notify_sys [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_show_action [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 05:31:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_init [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure zf_exit [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_put [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-13 05:31:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure cd_forget [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure call_cdev_functions [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure class_create [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_create [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_destroy [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2020-10-13 05:31:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk_randomness [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2020-10-13 05:31:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_init [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure page_address [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-13 05:31:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_mask [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure cli [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure sti [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure save_flags [2020-10-13 05:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure restore_flags [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap_atomic [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_pfn [2020-10-13 05:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_to_page [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kmap_atomic [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kunmap_atomic [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_sectors [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure elv_next_request [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-13 05:31:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_hardsect_size [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_plug_device [2020-10-13 05:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure blk_remove_plug [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_dequeue_request [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_first [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_chunk [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_last [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure end_request [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure blk_complete_request [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_phys_segments [2020-10-13 05:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_segments [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure call_genhd_functions [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_class [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_register_driver [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-13 05:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-13 05:31:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_device [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove_device [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure call_pci_functions [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure call_interrupt_handler [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure call_tasklet_functions [2020-10-13 05:31:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure call_timer_functions [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure call_shared_workqueue_functions [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure init_kernel [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ddv [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-13 05:31:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure create_request [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure call_rq_function [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure create_pci_dev [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 05:31:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_fixed_request_queue [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_entry [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2020-10-13 05:31:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure seq_escape [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-13 05:31:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure do_SAK [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-13 05:31:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 05:31:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:31:36,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:31:36,559 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-13 05:31:36,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:31:36 BoogieIcfgContainer [2020-10-13 05:31:36,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:31:36,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:31:36,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:31:36,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:31:36,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:31:18" (1/3) ... [2020-10-13 05:31:36,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8b7ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:31:36, skipping insertion in model container [2020-10-13 05:31:36,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:31:21" (2/3) ... [2020-10-13 05:31:36,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8b7ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:31:36, skipping insertion in model container [2020-10-13 05:31:36,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:31:36" (3/3) ... [2020-10-13 05:31:36,576 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2020-10-13 05:31:36,586 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:31:36,595 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:31:36,609 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:31:36,636 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:31:36,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:31:36,636 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:31:36,637 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:31:36,637 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:31:36,637 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:31:36,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:31:36,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:31:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states. [2020-10-13 05:31:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 05:31:36,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:31:36,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:31:36,679 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:31:36,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:31:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash 238688023, now seen corresponding path program 1 times [2020-10-13 05:31:36,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:31:36,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53878980] [2020-10-13 05:31:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:31:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:37,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:37,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:40,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:40,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 05:31:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 05:31:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2819 [2020-10-13 05:31:40,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:31:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 05:31:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 05:31:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:31:40,982 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:31:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:31:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:31:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:31:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:41,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:41,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 05:31:41,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 05:31:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 05:31:41,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:31:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 05:31:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 05:31:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:41,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:31:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:41,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 05:31:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:31:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:41,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 05:31:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:41,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:41,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 05:31:41,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:31:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:41,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 05:31:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:41,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:41,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:41,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:41,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 05:31:41,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:31:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:31:41,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53878980] [2020-10-13 05:31:41,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:31:41,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 05:31:41,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329723271] [2020-10-13 05:31:41,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 05:31:41,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:31:41,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 05:31:41,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:31:41,361 INFO L87 Difference]: Start difference. First operand 685 states. Second operand 5 states. [2020-10-13 05:31:52,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:31:52,407 INFO L93 Difference]: Finished difference Result 1007 states and 1360 transitions. [2020-10-13 05:31:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 05:31:52,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-13 05:31:52,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:31:52,429 INFO L225 Difference]: With dead ends: 1007 [2020-10-13 05:31:52,429 INFO L226 Difference]: Without dead ends: 524 [2020-10-13 05:31:52,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:31:52,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-13 05:31:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 459. [2020-10-13 05:31:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-13 05:31:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 589 transitions. [2020-10-13 05:31:52,616 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 589 transitions. Word has length 40 [2020-10-13 05:31:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:31:52,617 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 589 transitions. [2020-10-13 05:31:52,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 05:31:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 589 transitions. [2020-10-13 05:31:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-13 05:31:52,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:31:52,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:31:52,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:31:52,620 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:31:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:31:52,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1137628077, now seen corresponding path program 1 times [2020-10-13 05:31:52,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:31:52,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256612846] [2020-10-13 05:31:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:31:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:53,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:53,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 05:31:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-10-13 05:31:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:31:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:31:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 05:31:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:31:54,792 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:31:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:31:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:54,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:54,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:31:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:31:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:31:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:55,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:55,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:55,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 05:31:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 05:31:55,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:31:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:31:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 05:31:55,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:31:55,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:31:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:55,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:55,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:55,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:55,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:55,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 05:31:55,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:55,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:31:55,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:31:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 05:31:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:55,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:55,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:55,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:55,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 05:31:55,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:55,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:31:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:31:55,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 05:31:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:31:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:31:55,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:31:55,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:31:55,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:31:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 05:31:55,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:31:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:31:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:31:55,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:31:55,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:31:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:31:55,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256612846] [2020-10-13 05:31:55,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:31:55,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 05:31:55,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423461099] [2020-10-13 05:31:55,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 05:31:55,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:31:55,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 05:31:55,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:31:55,257 INFO L87 Difference]: Start difference. First operand 459 states and 589 transitions. Second operand 6 states. [2020-10-13 05:32:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:32:07,044 INFO L93 Difference]: Finished difference Result 970 states and 1255 transitions. [2020-10-13 05:32:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 05:32:07,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-13 05:32:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:32:07,055 INFO L225 Difference]: With dead ends: 970 [2020-10-13 05:32:07,056 INFO L226 Difference]: Without dead ends: 526 [2020-10-13 05:32:07,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:32:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-13 05:32:07,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 461. [2020-10-13 05:32:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 05:32:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 591 transitions. [2020-10-13 05:32:07,176 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 591 transitions. Word has length 44 [2020-10-13 05:32:07,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:32:07,176 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 591 transitions. [2020-10-13 05:32:07,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 05:32:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 591 transitions. [2020-10-13 05:32:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 05:32:07,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:32:07,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:32:07,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:32:07,179 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:32:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:32:07,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1492866001, now seen corresponding path program 2 times [2020-10-13 05:32:07,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:32:07,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407535530] [2020-10-13 05:32:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:32:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:07,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:08,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:08,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-13 05:32:08,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:08,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1588 [2020-10-13 05:32:08,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 05:32:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:32:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:32:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:09,630 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:32:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:32:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:09,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:09,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:09,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 05:32:09,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:09,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:09,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:32:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 05:32:09,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 05:32:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 05:32:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:32:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:32:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:32:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:09,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:09,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:09,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:09,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 05:32:09,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:09,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:09,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 05:32:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:09,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 05:32:09,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 05:32:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:10,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 05:32:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:32:10,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407535530] [2020-10-13 05:32:10,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:32:10,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 05:32:10,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016340342] [2020-10-13 05:32:10,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 05:32:10,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:32:10,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 05:32:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 05:32:10,021 INFO L87 Difference]: Start difference. First operand 461 states and 591 transitions. Second operand 7 states. [2020-10-13 05:32:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:32:23,018 INFO L93 Difference]: Finished difference Result 972 states and 1257 transitions. [2020-10-13 05:32:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 05:32:23,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-13 05:32:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:32:23,024 INFO L225 Difference]: With dead ends: 972 [2020-10-13 05:32:23,024 INFO L226 Difference]: Without dead ends: 528 [2020-10-13 05:32:23,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 05:32:23,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-13 05:32:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 463. [2020-10-13 05:32:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-13 05:32:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 593 transitions. [2020-10-13 05:32:23,110 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 593 transitions. Word has length 46 [2020-10-13 05:32:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:32:23,111 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 593 transitions. [2020-10-13 05:32:23,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 05:32:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 593 transitions. [2020-10-13 05:32:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 05:32:23,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:32:23,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:32:23,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:32:23,112 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:32:23,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:32:23,113 INFO L82 PathProgramCache]: Analyzing trace with hash -338062385, now seen corresponding path program 3 times [2020-10-13 05:32:23,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:32:23,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708659566] [2020-10-13 05:32:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:32:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:25,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 05:32:25,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1869 [2020-10-13 05:32:25,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 05:32:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:32:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 05:32:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:25,806 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:32:25,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:32:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:25,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:25,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:25,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:25,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 05:32:25,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:25,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:25,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:32:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:25,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:26,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:26,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:32:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 05:32:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:32:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:26,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:26,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 05:32:26,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 05:32:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:26,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:26,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:26,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:26,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:26,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 05:32:26,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:26,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 05:32:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:26,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:26,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:26,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:26,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 05:32:26,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:32:26,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708659566] [2020-10-13 05:32:26,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:32:26,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 05:32:26,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114734617] [2020-10-13 05:32:26,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 05:32:26,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:32:26,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 05:32:26,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 05:32:26,223 INFO L87 Difference]: Start difference. First operand 463 states and 593 transitions. Second operand 8 states. [2020-10-13 05:32:41,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:32:41,368 INFO L93 Difference]: Finished difference Result 974 states and 1259 transitions. [2020-10-13 05:32:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 05:32:41,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-10-13 05:32:41,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:32:41,374 INFO L225 Difference]: With dead ends: 974 [2020-10-13 05:32:41,374 INFO L226 Difference]: Without dead ends: 530 [2020-10-13 05:32:41,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 05:32:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-13 05:32:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 465. [2020-10-13 05:32:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-13 05:32:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 595 transitions. [2020-10-13 05:32:41,463 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 595 transitions. Word has length 48 [2020-10-13 05:32:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:32:41,463 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 595 transitions. [2020-10-13 05:32:41,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 05:32:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 595 transitions. [2020-10-13 05:32:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-13 05:32:41,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:32:41,464 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:32:41,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 05:32:41,465 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:32:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:32:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1076350029, now seen corresponding path program 4 times [2020-10-13 05:32:41,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:32:41,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797159714] [2020-10-13 05:32:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:32:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:41,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:44,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 05:32:44,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2692 [2020-10-13 05:32:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 05:32:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:32:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 05:32:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:44,952 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:32:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:32:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:45,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:45,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:45,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-13 05:32:45,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:45,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:45,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:32:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:45,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:45,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:45,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 05:32:45,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 05:32:45,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 05:32:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:32:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 05:32:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:32:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:45,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:45,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 05:32:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:32:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 05:32:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:45,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 05:32:45,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:45,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:32:45,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 05:32:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:32:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:32:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:32:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:32:45,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:32:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 05:32:45,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:32:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:32:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:32:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:32:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:32:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:32:45,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797159714] [2020-10-13 05:32:45,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:32:45,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 05:32:45,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239369867] [2020-10-13 05:32:45,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 05:32:45,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:32:45,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 05:32:45,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-13 05:32:45,424 INFO L87 Difference]: Start difference. First operand 465 states and 595 transitions. Second operand 9 states. [2020-10-13 05:33:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:33:00,595 INFO L93 Difference]: Finished difference Result 976 states and 1261 transitions. [2020-10-13 05:33:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 05:33:00,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-10-13 05:33:00,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:33:00,601 INFO L225 Difference]: With dead ends: 976 [2020-10-13 05:33:00,601 INFO L226 Difference]: Without dead ends: 532 [2020-10-13 05:33:00,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-13 05:33:00,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-13 05:33:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 467. [2020-10-13 05:33:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-13 05:33:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 597 transitions. [2020-10-13 05:33:00,726 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 597 transitions. Word has length 50 [2020-10-13 05:33:00,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:33:00,727 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 597 transitions. [2020-10-13 05:33:00,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 05:33:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 597 transitions. [2020-10-13 05:33:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 05:33:00,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:33:00,728 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:33:00,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 05:33:00,729 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:33:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:33:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1177952949, now seen corresponding path program 5 times [2020-10-13 05:33:00,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:33:00,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067843028] [2020-10-13 05:33:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:33:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:00,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:03,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:03,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 05:33:03,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2999 [2020-10-13 05:33:03,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 05:33:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:33:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 05:33:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:04,625 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:33:04,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:33:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:04,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:04,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:04,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:04,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:33:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:04,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:05,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:05,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 05:33:05,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:05,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 05:33:05,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 05:33:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:33:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 05:33:05,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:05,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:33:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:05,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:05,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:33:05,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 05:33:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:05,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:05,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:05,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:05,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:05,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:05,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 05:33:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:05,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:05,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:33:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:33:05,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067843028] [2020-10-13 05:33:05,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:33:05,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 05:33:05,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107407338] [2020-10-13 05:33:05,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 05:33:05,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:33:05,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 05:33:05,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-13 05:33:05,177 INFO L87 Difference]: Start difference. First operand 467 states and 597 transitions. Second operand 10 states. [2020-10-13 05:33:17,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:33:17,257 INFO L93 Difference]: Finished difference Result 978 states and 1263 transitions. [2020-10-13 05:33:17,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 05:33:17,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-10-13 05:33:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:33:17,264 INFO L225 Difference]: With dead ends: 978 [2020-10-13 05:33:17,264 INFO L226 Difference]: Without dead ends: 534 [2020-10-13 05:33:17,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-13 05:33:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-10-13 05:33:17,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 469. [2020-10-13 05:33:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-13 05:33:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 599 transitions. [2020-10-13 05:33:17,338 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 599 transitions. Word has length 52 [2020-10-13 05:33:17,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:33:17,338 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 599 transitions. [2020-10-13 05:33:17,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 05:33:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 599 transitions. [2020-10-13 05:33:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 05:33:17,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:33:17,341 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:33:17,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 05:33:17,341 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:33:17,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:33:17,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1395369673, now seen corresponding path program 6 times [2020-10-13 05:33:17,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:33:17,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633220811] [2020-10-13 05:33:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:33:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:21,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 05:33:21,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3750 [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 05:33:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:21,994 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:33:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:33:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:22,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:22,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:22,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:22,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 05:33:22,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:33:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:22,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:22,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 05:33:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 05:33:22,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 05:33:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:33:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 05:33:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:22,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:33:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:22,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:22,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:22,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 05:33:22,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:22,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:22,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 05:33:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:22,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:22,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:22,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:22,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:33:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 05:33:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:22,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:22,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:22,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:22,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:33:22,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:22,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:22,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:22,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:22,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:33:22,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633220811] [2020-10-13 05:33:22,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:33:22,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 05:33:22,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997617651] [2020-10-13 05:33:22,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 05:33:22,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:33:22,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 05:33:22,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-13 05:33:22,473 INFO L87 Difference]: Start difference. First operand 469 states and 599 transitions. Second operand 11 states. [2020-10-13 05:33:38,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:33:38,107 INFO L93 Difference]: Finished difference Result 980 states and 1265 transitions. [2020-10-13 05:33:38,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 05:33:38,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-10-13 05:33:38,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:33:38,113 INFO L225 Difference]: With dead ends: 980 [2020-10-13 05:33:38,114 INFO L226 Difference]: Without dead ends: 536 [2020-10-13 05:33:38,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-13 05:33:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-10-13 05:33:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 471. [2020-10-13 05:33:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-13 05:33:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 601 transitions. [2020-10-13 05:33:38,195 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 601 transitions. Word has length 54 [2020-10-13 05:33:38,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:33:38,195 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 601 transitions. [2020-10-13 05:33:38,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 05:33:38,195 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 601 transitions. [2020-10-13 05:33:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 05:33:38,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:33:38,197 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:33:38,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 05:33:38,197 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:33:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:33:38,197 INFO L82 PathProgramCache]: Analyzing trace with hash 457246919, now seen corresponding path program 7 times [2020-10-13 05:33:38,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:33:38,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248950319] [2020-10-13 05:33:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:33:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4391 [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 05:33:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:33:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 05:33:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:43,493 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:33:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:33:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:43,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:43,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:43,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:33:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:43,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 05:33:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:33:43,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 05:33:43,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:43,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:33:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:43,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:43,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:43,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 05:33:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:33:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 05:33:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:43,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:43,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 05:33:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:43,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:43,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:43,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:43,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:33:43,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 05:33:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:43,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 05:33:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:33:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:33:43,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248950319] [2020-10-13 05:33:43,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:33:43,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 05:33:43,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076549868] [2020-10-13 05:33:43,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 05:33:43,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:33:43,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 05:33:43,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-13 05:33:43,995 INFO L87 Difference]: Start difference. First operand 471 states and 601 transitions. Second operand 12 states. [2020-10-13 05:33:54,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:33:54,957 INFO L93 Difference]: Finished difference Result 982 states and 1267 transitions. [2020-10-13 05:33:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 05:33:54,958 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2020-10-13 05:33:54,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:33:54,963 INFO L225 Difference]: With dead ends: 982 [2020-10-13 05:33:54,963 INFO L226 Difference]: Without dead ends: 538 [2020-10-13 05:33:54,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-13 05:33:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-13 05:33:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 473. [2020-10-13 05:33:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-13 05:33:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 603 transitions. [2020-10-13 05:33:55,047 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 603 transitions. Word has length 56 [2020-10-13 05:33:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:33:55,047 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 603 transitions. [2020-10-13 05:33:55,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 05:33:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 603 transitions. [2020-10-13 05:33:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 05:33:55,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:33:55,049 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:33:55,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 05:33:55,049 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:33:55,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:33:55,049 INFO L82 PathProgramCache]: Analyzing trace with hash 864412485, now seen corresponding path program 8 times [2020-10-13 05:33:55,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:33:55,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946808607] [2020-10-13 05:33:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:33:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:55,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:58,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 05:33:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3424 [2020-10-13 05:33:58,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 05:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:33:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 05:33:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,300 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:33:59,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:33:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:59,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:59,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 05:33:59,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:33:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:59,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:59,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:59,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:33:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 05:33:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:33:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:59,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:33:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 05:33:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:59,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 05:33:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:33:59,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:33:59,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:33:59,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:33:59,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:33:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:33:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:33:59,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946808607] [2020-10-13 05:33:59,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:33:59,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 05:33:59,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89840059] [2020-10-13 05:33:59,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 05:33:59,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:33:59,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 05:33:59,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-13 05:33:59,831 INFO L87 Difference]: Start difference. First operand 473 states and 603 transitions. Second operand 13 states. [2020-10-13 05:34:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:34:20,936 INFO L93 Difference]: Finished difference Result 984 states and 1269 transitions. [2020-10-13 05:34:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 05:34:20,938 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 58 [2020-10-13 05:34:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:34:20,943 INFO L225 Difference]: With dead ends: 984 [2020-10-13 05:34:20,943 INFO L226 Difference]: Without dead ends: 540 [2020-10-13 05:34:20,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-13 05:34:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-10-13 05:34:21,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 475. [2020-10-13 05:34:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-13 05:34:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 605 transitions. [2020-10-13 05:34:21,022 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 605 transitions. Word has length 58 [2020-10-13 05:34:21,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:34:21,022 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 605 transitions. [2020-10-13 05:34:21,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 05:34:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 605 transitions. [2020-10-13 05:34:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 05:34:21,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:34:21,023 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:34:21,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 05:34:21,024 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:34:21,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:34:21,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1308497475, now seen corresponding path program 9 times [2020-10-13 05:34:21,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:34:21,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079206846] [2020-10-13 05:34:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:34:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:21,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:24,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:24,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 05:34:24,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3912 [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 05:34:24,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:25,779 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 05:34:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:34:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:25,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:25,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:25,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:34:25,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 05:34:25,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:34:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:34:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:34:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:25,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 05:34:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:26,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:26,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 05:34:26,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-13 05:34:26,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 05:34:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 05:34:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 05:34:26,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 05:34:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:34:26,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:34:26,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:34:26,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 05:34:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:26,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:26,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:26,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:34:26,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:34:26,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 05:34:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:34:26,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:34:26,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:34:26,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:34:26,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:34:26,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:34:26,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:34:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:34:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 05:34:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:34:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:34:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 05:34:26,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079206846] [2020-10-13 05:34:26,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:34:26,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 05:34:26,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538407537] [2020-10-13 05:34:26,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 05:34:26,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:34:26,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 05:34:26,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-10-13 05:34:26,299 INFO L87 Difference]: Start difference. First operand 475 states and 605 transitions. Second operand 14 states. [2020-10-13 05:34:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:34:41,418 INFO L93 Difference]: Finished difference Result 985 states and 1270 transitions. [2020-10-13 05:34:41,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 05:34:41,420 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2020-10-13 05:34:41,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:34:41,424 INFO L225 Difference]: With dead ends: 985 [2020-10-13 05:34:41,424 INFO L226 Difference]: Without dead ends: 541 [2020-10-13 05:34:41,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-10-13 05:34:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-10-13 05:34:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 477. [2020-10-13 05:34:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 05:34:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 607 transitions. [2020-10-13 05:34:41,510 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 607 transitions. Word has length 60 [2020-10-13 05:34:41,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:34:41,511 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 607 transitions. [2020-10-13 05:34:41,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 05:34:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 607 transitions. [2020-10-13 05:34:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-13 05:34:41,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:34:41,512 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:34:41,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 05:34:41,512 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:34:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:34:41,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1422556735, now seen corresponding path program 10 times [2020-10-13 05:34:41,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:34:41,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137438180] [2020-10-13 05:34:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:34:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 05:34:41,672 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 05:34:41,673 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 05:34:41,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 05:34:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:34:41 BoogieIcfgContainer [2020-10-13 05:34:41,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 05:34:41,719 INFO L168 Benchmark]: Toolchain (without parser) took 202956.94 ms. Allocated memory was 141.0 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 99.1 MB in the beginning and 77.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-13 05:34:41,720 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 05:34:41,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2741.16 ms. Allocated memory was 141.0 MB in the beginning and 237.5 MB in the end (delta: 96.5 MB). Free memory was 98.7 MB in the beginning and 91.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2020-10-13 05:34:41,727 INFO L168 Benchmark]: Boogie Preprocessor took 304.46 ms. Allocated memory was 237.5 MB in the beginning and 248.5 MB in the end (delta: 11.0 MB). Free memory was 91.1 MB in the beginning and 196.8 MB in the end (delta: -105.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-10-13 05:34:41,728 INFO L168 Benchmark]: RCFGBuilder took 14758.26 ms. Allocated memory was 248.5 MB in the beginning and 413.7 MB in the end (delta: 165.2 MB). Free memory was 196.8 MB in the beginning and 98.5 MB in the end (delta: 98.3 MB). Peak memory consumption was 283.2 MB. Max. memory is 7.1 GB. [2020-10-13 05:34:41,728 INFO L168 Benchmark]: TraceAbstraction took 185147.89 ms. Allocated memory was 413.7 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 98.5 MB in the beginning and 77.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-13 05:34:41,732 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2741.16 ms. Allocated memory was 141.0 MB in the beginning and 237.5 MB in the end (delta: 96.5 MB). Free memory was 98.7 MB in the beginning and 91.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 304.46 ms. Allocated memory was 237.5 MB in the beginning and 248.5 MB in the end (delta: 11.0 MB). Free memory was 91.1 MB in the beginning and 196.8 MB in the end (delta: -105.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14758.26 ms. Allocated memory was 248.5 MB in the beginning and 413.7 MB in the end (delta: 165.2 MB). Free memory was 196.8 MB in the beginning and 98.5 MB in the end (delta: 98.3 MB). Peak memory consumption was 283.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 185147.89 ms. Allocated memory was 413.7 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 98.5 MB in the beginning and 77.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1482. Possible FailurePath: [L18] int current_execution_context; [L29] int (* _ddv_module_init)(void); [L30] void (* _ddv_module_exit)(void); [L230] unsigned long jiffies; [L1472] char _ddv_module_author[] = "Fernando Fuganti "; [L1473] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1474] char _ddv_module_license[] = "GPL"; [L1476] static int nowayout = 0; [L1477] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1481-L1485] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1486] static int action = 0; [L1487] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1489] static int zf_action = 0x0800; [L1490] static unsigned long zf_is_open; [L1491] static char zf_expect_close; [L1492] static spinlock_t zf_lock; [L1493] static spinlock_t zf_port_lock; [L1494] static struct timer_list zf_timer; [L1495] static unsigned long next_heartbeat = 0; [L1741-L1748] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1750-L1754] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1761-L1763] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1843] int (* _ddv_tmp_init)(void) = zf_init; [L1844] void (* _ddv_tmp_exit)(void) = zf_exit; [L1895] struct cdev fixed_cdev[1]; [L1896] int fixed_cdev_used = 0; [L1898] short number_cdev_registered = 0; [L1909] struct ddv_cdev cdev_registered[1]; [L2446] short number_genhd_registered = 0; [L2447] short number_fixed_genhd_used = 0; [L2458] struct gendisk fixed_gendisk[10]; [L2459] struct ddv_genhd genhd_registered[10]; [L2595] struct ddv_pci_driver registered_pci_driver; [L2606] struct registered_irq registered_irq[16]; [L2616] short number_tasklet_registered = 0; [L2623] struct ddv_tasklet tasklet_registered[1]; [L2633] short number_timer_registered = 0; [L2639] struct ddv_timer timer_registered[1]; [L2649] struct work_struct *shared_workqueue[10]; [L2659] spinlock_t kernel_lock; [L3345] request_queue_t fixed_request_queue[10]; [L3347] int number_request_queue_used = 0; [L3431] struct proc_dir_entry *proc_root_driver; [L3741] struct ddv_tty_driver global_tty_driver; [L3920] int ddv_ioport_request_start; [L3921] int ddv_ioport_request_len; [L1848] _ddv_module_init = zf_init [L1849] _ddv_module_exit = zf_exit [L1850] CALL call_ddv() [L2723] int err; [L2725] current_execution_context = 1 [L2727] CALL init_kernel() [L2663] int i; [L2665] CALL spin_lock_init(&kernel_lock) [L4153] lock->init = 1 [L4154] lock->locked = 0 [L2665] RET spin_lock_init(&kernel_lock) [L2667] i = 0 [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND TRUE i < 10 [L2668] shared_workqueue[i] = ((void *)0) [L2667] i++ [L2667] COND FALSE !(i < 10) [L2671] i = 0 [L2671] COND TRUE i < 1 [L2672] tasklet_registered[i].tasklet = ((void *)0) [L2673] tasklet_registered[i].is_running = 0 [L2671] i++ [L2671] COND FALSE !(i < 1) [L2727] RET init_kernel() [L2729] CALL (* _ddv_module_init)() [L1774] int ret; [L1776] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L4480] return 0; [L1776] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L1778] CALL zf_readw(0x02) [L1467] FCALL outb(port, 0x218) [L1468] CALL inw(0x21A) [L3961] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L10] COND TRUE !expression [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 196 procedures, 1093 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 185.0s, OverallIterations: 11, TraceHistogramMax: 10, AutomataDifference: 141.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4968 SDtfs, 2925 SDslu, 11979 SDs, 0 SdLazy, 14054 SolverSat, 1438 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 129.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 649 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 41.4s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 498 ConstructedInterpolants, 0 QuantifiedInterpolants, 230046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 9/294 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...