/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/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:16:18,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:16:18,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:16:18,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:16:18,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:16:18,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:16:18,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:16:18,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:16:18,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:16:18,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:16:18,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:16:18,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:16:18,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:16:18,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:16:18,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:16:18,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:16:18,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:16:18,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:16:18,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:16:18,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:16:18,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:16:18,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:16:18,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:16:18,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:16:18,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:16:18,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:16:18,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:16:18,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:16:18,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:16:18,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:16:18,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:16:18,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:16:18,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:16:18,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:16:18,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:16:18,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:16:18,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:16:18,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:16:18,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:16:18,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:16:18,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:16:18,716 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 11:16:18,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:16:18,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:16:18,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:16:18,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:16:18,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:16:18,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:16:18,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:16:18,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:16:18,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:16:18,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:16:18,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:16:18,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:16:18,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:16:18,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:16:18,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:16:18,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:16:18,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:16:18,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:16:18,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:16:18,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:16:18,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:16:18,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:16:18,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:16:18,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:16:18,771 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 11:16:19,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:16:19,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:16:19,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:16:19,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:16:19,093 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:16:19,094 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-13 11:16:19,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aef2bc5a1/d87184e7bf2e40449ba8d6e754eae3f0/FLAG26e7c93ea [2020-10-13 11:16:19,622 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:16:19,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-13 11:16:19,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aef2bc5a1/d87184e7bf2e40449ba8d6e754eae3f0/FLAG26e7c93ea [2020-10-13 11:16:19,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aef2bc5a1/d87184e7bf2e40449ba8d6e754eae3f0 [2020-10-13 11:16:19,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:16:19,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:16:19,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:19,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:16:19,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:16:19,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:19" (1/1) ... [2020-10-13 11:16:19,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348d845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19, skipping insertion in model container [2020-10-13 11:16:19,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:19" (1/1) ... [2020-10-13 11:16:20,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:16:20,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:16:20,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:20,302 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:16:20,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:20,468 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:16:20,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20 WrapperNode [2020-10-13 11:16:20,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:20,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:16:20,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:16:20,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:16:20,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (1/1) ... [2020-10-13 11:16:20,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:16:20,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:16:20,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:16:20,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:16:20,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (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 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-13 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-13 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-13 11:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:16:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-13 11:16:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-13 11:16:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-13 11:16:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-13 11:16:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-13 11:16:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-13 11:16:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-13 11:16:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:16:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 11:16:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:16:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 11:16:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-13 11:16:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-13 11:16:20,588 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-13 11:16:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-13 11:16:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-13 11:16:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-13 11:16:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-13 11:16:20,589 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-13 11:16:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-13 11:16:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:16:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-13 11:16:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:16:20,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:16:20,808 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:16:20,929 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-13 11:16:20,930 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-13 11:16:20,932 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:16:21,045 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-10-13 11:16:21,046 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-10-13 11:16:21,094 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:16:21,157 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-13 11:16:21,157 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-13 11:16:21,192 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:16:21,319 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-13 11:16:21,320 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-13 11:16:21,334 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:16:21,335 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 11:16:21,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:21 BoogieIcfgContainer [2020-10-13 11:16:21,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:16:21,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:16:21,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:16:21,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:16:21,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:19" (1/3) ... [2020-10-13 11:16:21,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede3332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:21, skipping insertion in model container [2020-10-13 11:16:21,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:20" (2/3) ... [2020-10-13 11:16:21,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede3332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:21, skipping insertion in model container [2020-10-13 11:16:21,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:21" (3/3) ... [2020-10-13 11:16:21,350 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-10-13 11:16:21,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:16:21,368 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:16:21,382 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:16:21,404 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:16:21,404 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:16:21,404 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:16:21,405 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:16:21,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:16:21,405 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:16:21,405 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:16:21,405 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:16:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-13 11:16:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-13 11:16:21,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:21,435 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] [2020-10-13 11:16:21,435 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:21,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-10-13 11:16:21,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:21,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719808593] [2020-10-13 11:16:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:21,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:21,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:21,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:21,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:22,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:22,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 11:16:22,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:16:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-13 11:16:22,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:16:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:16:22,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:16:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:22,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:22,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:22,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:22,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:16:22,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:16:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:22,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:22,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:22,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:22,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:16:22,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:22,726 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 11:16:22,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719808593] [2020-10-13 11:16:22,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:22,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 11:16:22,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99102631] [2020-10-13 11:16:22,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 11:16:22,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:22,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 11:16:22,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 11:16:22,762 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-10-13 11:16:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:23,475 INFO L93 Difference]: Finished difference Result 257 states and 379 transitions. [2020-10-13 11:16:23,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 11:16:23,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-13 11:16:23,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:23,492 INFO L225 Difference]: With dead ends: 257 [2020-10-13 11:16:23,493 INFO L226 Difference]: Without dead ends: 136 [2020-10-13 11:16:23,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:16:23,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-13 11:16:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119. [2020-10-13 11:16:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-13 11:16:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 162 transitions. [2020-10-13 11:16:23,568 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 162 transitions. Word has length 20 [2020-10-13 11:16:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:23,569 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 162 transitions. [2020-10-13 11:16:23,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 11:16:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2020-10-13 11:16:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 11:16:23,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:23,570 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] [2020-10-13 11:16:23,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:16:23,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-10-13 11:16:23,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:23,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848058794] [2020-10-13 11:16:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:16:23,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-13 11:16:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:16:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:16:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:23,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:23,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:16:23,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:23,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:23,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:23,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:23,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:23,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:23,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:23,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:23,988 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 11:16:23,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848058794] [2020-10-13 11:16:23,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:23,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 11:16:23,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141233622] [2020-10-13 11:16:23,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:16:23,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:23,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:16:23,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:16:23,992 INFO L87 Difference]: Start difference. First operand 119 states and 162 transitions. Second operand 6 states. [2020-10-13 11:16:24,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:24,586 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2020-10-13 11:16:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 11:16:24,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-13 11:16:24,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:24,589 INFO L225 Difference]: With dead ends: 217 [2020-10-13 11:16:24,590 INFO L226 Difference]: Without dead ends: 160 [2020-10-13 11:16:24,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:16:24,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-13 11:16:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2020-10-13 11:16:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-13 11:16:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2020-10-13 11:16:24,619 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 26 [2020-10-13 11:16:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:24,619 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2020-10-13 11:16:24,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:16:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2020-10-13 11:16:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 11:16:24,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:24,621 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] [2020-10-13 11:16:24,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:16:24,621 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-10-13 11:16:24,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:24,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969737544] [2020-10-13 11:16:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:24,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:24,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:24,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:16:24,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-13 11:16:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:16:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:16:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:24,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:24,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:24,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:24,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:24,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:24,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:24,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:24,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:24,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:24,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:16:24,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:24,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:24,978 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 11:16:24,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969737544] [2020-10-13 11:16:24,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:24,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 11:16:24,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654406904] [2020-10-13 11:16:24,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:16:24,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:24,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:16:24,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:16:24,981 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 6 states. [2020-10-13 11:16:25,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:25,378 INFO L93 Difference]: Finished difference Result 206 states and 259 transitions. [2020-10-13 11:16:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 11:16:25,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-13 11:16:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:25,381 INFO L225 Difference]: With dead ends: 206 [2020-10-13 11:16:25,381 INFO L226 Difference]: Without dead ends: 171 [2020-10-13 11:16:25,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:16:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-13 11:16:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2020-10-13 11:16:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-13 11:16:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 182 transitions. [2020-10-13 11:16:25,408 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 182 transitions. Word has length 27 [2020-10-13 11:16:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:25,409 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 182 transitions. [2020-10-13 11:16:25,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:16:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2020-10-13 11:16:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-13 11:16:25,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:25,411 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] [2020-10-13 11:16:25,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:16:25,412 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-10-13 11:16:25,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:25,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742136191] [2020-10-13 11:16:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:25,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:25,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:16:25,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-13 11:16:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:16:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:16:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:25,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:25,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:25,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:25,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:25,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:16:25,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:25,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:25,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:25,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:16:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:25,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:25,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:25,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:25,804 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 11:16:25,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742136191] [2020-10-13 11:16:25,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:25,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 11:16:25,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554885074] [2020-10-13 11:16:25,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:16:25,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:25,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:16:25,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:16:25,808 INFO L87 Difference]: Start difference. First operand 141 states and 182 transitions. Second operand 6 states. [2020-10-13 11:16:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:26,342 INFO L93 Difference]: Finished difference Result 145 states and 186 transitions. [2020-10-13 11:16:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 11:16:26,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-10-13 11:16:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:26,344 INFO L225 Difference]: With dead ends: 145 [2020-10-13 11:16:26,344 INFO L226 Difference]: Without dead ends: 100 [2020-10-13 11:16:26,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:16:26,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-13 11:16:26,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-10-13 11:16:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-13 11:16:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2020-10-13 11:16:26,363 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 37 [2020-10-13 11:16:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:26,364 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2020-10-13 11:16:26,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:16:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2020-10-13 11:16:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-13 11:16:26,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:26,366 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, 1] [2020-10-13 11:16:26,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:16:26,367 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-10-13 11:16:26,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:26,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783083314] [2020-10-13 11:16:26,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:26,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:26,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:26,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:27,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:16:27,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:16:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1583 [2020-10-13 11:16:27,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 11:16:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:16:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:28,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:28,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:16:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,144 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 11:16:28,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783083314] [2020-10-13 11:16:28,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:28,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 11:16:28,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433655340] [2020-10-13 11:16:28,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 11:16:28,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:28,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 11:16:28,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:16:28,147 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand 7 states. [2020-10-13 11:16:28,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:28,477 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2020-10-13 11:16:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 11:16:28,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-10-13 11:16:28,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:28,479 INFO L225 Difference]: With dead ends: 116 [2020-10-13 11:16:28,479 INFO L226 Difference]: Without dead ends: 111 [2020-10-13 11:16:28,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:16:28,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-13 11:16:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2020-10-13 11:16:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-13 11:16:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-10-13 11:16:28,494 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 45 [2020-10-13 11:16:28,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:28,494 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-10-13 11:16:28,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 11:16:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-10-13 11:16:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-13 11:16:28,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:28,497 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, 1] [2020-10-13 11:16:28,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:16:28,497 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:28,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1473664029, now seen corresponding path program 1 times [2020-10-13 11:16:28,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:28,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390804989] [2020-10-13 11:16:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:16:28,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:28,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-13 11:16:28,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:28,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:16:28,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:16:28,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:28,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:28,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:28,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:28,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:29,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:16:29,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:16:29,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 11:16:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:16:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,096 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 11:16:29,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390804989] [2020-10-13 11:16:29,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:29,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:16:29,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158237712] [2020-10-13 11:16:29,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:16:29,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:29,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:16:29,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:16:29,098 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 8 states. [2020-10-13 11:16:29,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:29,516 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2020-10-13 11:16:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:16:29,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-13 11:16:29,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:29,518 INFO L225 Difference]: With dead ends: 132 [2020-10-13 11:16:29,518 INFO L226 Difference]: Without dead ends: 95 [2020-10-13 11:16:29,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:16:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-13 11:16:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-10-13 11:16:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 11:16:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-10-13 11:16:29,531 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 45 [2020-10-13 11:16:29,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:29,532 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-10-13 11:16:29,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:16:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-10-13 11:16:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 11:16:29,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:29,533 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:29,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:16:29,534 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-10-13 11:16:29,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:29,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323169956] [2020-10-13 11:16:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:16:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 11:16:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 11:16:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:16:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:29,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:29,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:29,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:16:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:29,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:29,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:16:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:29,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:29,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:29,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:29,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:29,826 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 11:16:29,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323169956] [2020-10-13 11:16:29,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:29,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:16:29,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730899539] [2020-10-13 11:16:29,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:16:29,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:29,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:16:29,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:16:29,829 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-10-13 11:16:30,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:30,077 INFO L93 Difference]: Finished difference Result 125 states and 143 transitions. [2020-10-13 11:16:30,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:16:30,078 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-13 11:16:30,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:30,079 INFO L225 Difference]: With dead ends: 125 [2020-10-13 11:16:30,079 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 11:16:30,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:16:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 11:16:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-13 11:16:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-13 11:16:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2020-10-13 11:16:30,092 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 51 [2020-10-13 11:16:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:30,093 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2020-10-13 11:16:30,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:16:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2020-10-13 11:16:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 11:16:30,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:30,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:30,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:16:30,095 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:30,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:30,096 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-10-13 11:16:30,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:30,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510616116] [2020-10-13 11:16:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 11:16:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:16:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:30,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:30,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:30,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:30,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:30,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:30,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:16:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:16:30,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 11:16:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:30,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:30,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:31,009 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 11:16:31,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510616116] [2020-10-13 11:16:31,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:31,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:16:31,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611331050] [2020-10-13 11:16:31,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:16:31,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:31,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:16:31,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:16:31,013 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 12 states. [2020-10-13 11:16:31,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:31,390 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2020-10-13 11:16:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:16:31,392 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-10-13 11:16:31,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:31,393 INFO L225 Difference]: With dead ends: 119 [2020-10-13 11:16:31,393 INFO L226 Difference]: Without dead ends: 112 [2020-10-13 11:16:31,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:16:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-13 11:16:31,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2020-10-13 11:16:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-13 11:16:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-13 11:16:31,411 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 59 [2020-10-13 11:16:31,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:31,412 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-13 11:16:31,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:16:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-13 11:16:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 11:16:31,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:31,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:31,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:16:31,413 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:31,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:31,414 INFO L82 PathProgramCache]: Analyzing trace with hash -11033838, now seen corresponding path program 1 times [2020-10-13 11:16:31,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:31,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215918797] [2020-10-13 11:16:31,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:31,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:32,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:32,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:16:33,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:16:33,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1730 [2020-10-13 11:16:33,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:16:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 11:16:33,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:16:33,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:33,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:16:33,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 11:16:33,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:33,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:33,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:16:33,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:16:33,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:16:33,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 11:16:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:33,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:33,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:33,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:33,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:33,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:33,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:33,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:33,492 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 11:16:33,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215918797] [2020-10-13 11:16:33,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:33,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:16:33,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246275480] [2020-10-13 11:16:33,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:16:33,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:33,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:16:33,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:16:33,499 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 12 states. [2020-10-13 11:16:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:33,807 INFO L93 Difference]: Finished difference Result 156 states and 179 transitions. [2020-10-13 11:16:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:16:33,807 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-10-13 11:16:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:33,809 INFO L225 Difference]: With dead ends: 156 [2020-10-13 11:16:33,809 INFO L226 Difference]: Without dead ends: 113 [2020-10-13 11:16:33,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:16:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-13 11:16:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2020-10-13 11:16:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-13 11:16:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2020-10-13 11:16:33,823 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 60 [2020-10-13 11:16:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:33,823 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2020-10-13 11:16:33,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:16:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2020-10-13 11:16:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 11:16:33,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:33,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:33,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 11:16:33,826 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:33,827 INFO L82 PathProgramCache]: Analyzing trace with hash 857146700, now seen corresponding path program 1 times [2020-10-13 11:16:33,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:33,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565273612] [2020-10-13 11:16:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:16:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-13 11:16:34,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:16:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:16:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 11:16:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:34,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:16:34,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:34,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:16:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:34,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:16:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:16:34,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:16:34,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:16:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:16:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:16:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:34,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:34,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:34,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:34,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:34,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:34,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:34,575 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 11:16:34,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565273612] [2020-10-13 11:16:34,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:34,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:16:34,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187464212] [2020-10-13 11:16:34,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:16:34,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:34,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:16:34,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:16:34,578 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 11 states. [2020-10-13 11:16:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:35,002 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2020-10-13 11:16:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:16:35,003 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2020-10-13 11:16:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:35,004 INFO L225 Difference]: With dead ends: 138 [2020-10-13 11:16:35,004 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 11:16:35,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:16:35,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 11:16:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2020-10-13 11:16:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-13 11:16:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2020-10-13 11:16:35,018 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 60 [2020-10-13 11:16:35,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:35,019 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2020-10-13 11:16:35,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:16:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2020-10-13 11:16:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 11:16:35,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:35,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:35,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 11:16:35,020 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:35,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:35,021 INFO L82 PathProgramCache]: Analyzing trace with hash -352615126, now seen corresponding path program 1 times [2020-10-13 11:16:35,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:35,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340895595] [2020-10-13 11:16:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 11:16:35,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:16:35,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-10-13 11:16:35,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 11:16:35,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:16:35,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:35,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:35,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:35,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:16:35,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 11:16:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:16:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:16:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:35,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:35,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:35,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:35,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:35,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:35,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:35,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:35,967 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 11:16:35,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340895595] [2020-10-13 11:16:35,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:35,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:16:35,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366063738] [2020-10-13 11:16:35,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:16:35,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:16:35,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:16:35,969 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 9 states. [2020-10-13 11:16:36,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:36,138 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2020-10-13 11:16:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 11:16:36,138 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-13 11:16:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:36,140 INFO L225 Difference]: With dead ends: 128 [2020-10-13 11:16:36,140 INFO L226 Difference]: Without dead ends: 98 [2020-10-13 11:16:36,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:16:36,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-13 11:16:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2020-10-13 11:16:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 11:16:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2020-10-13 11:16:36,153 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 63 [2020-10-13 11:16:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:36,155 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2020-10-13 11:16:36,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:16:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2020-10-13 11:16:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 11:16:36,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:36,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:36,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 11:16:36,156 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:36,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1363732376, now seen corresponding path program 1 times [2020-10-13 11:16:36,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:36,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578229727] [2020-10-13 11:16:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:36,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:36,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:36,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:37,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1626 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:16:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:37,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:37,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:37,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:37,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:37,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:37,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:37,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:37,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:37,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:16:38,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 11:16:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 11:16:38,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:16:38,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:38,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,118 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 11:16:38,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578229727] [2020-10-13 11:16:38,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:38,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:16:38,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181591766] [2020-10-13 11:16:38,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:16:38,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:38,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:16:38,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:16:38,121 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand 12 states. [2020-10-13 11:16:38,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:38,360 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2020-10-13 11:16:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:16:38,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-13 11:16:38,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:38,362 INFO L225 Difference]: With dead ends: 113 [2020-10-13 11:16:38,362 INFO L226 Difference]: Without dead ends: 95 [2020-10-13 11:16:38,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:16:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-13 11:16:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2020-10-13 11:16:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-13 11:16:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-10-13 11:16:38,377 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 63 [2020-10-13 11:16:38,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:38,377 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-10-13 11:16:38,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:16:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-10-13 11:16:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 11:16:38,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:38,378 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:38,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 11:16:38,378 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-10-13 11:16:38,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:38,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658708377] [2020-10-13 11:16:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 11:16:38,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:38,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:16:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:16:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:16:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:16:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:38,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:16:38,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:38,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:16:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:38,791 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 11:16:38,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658708377] [2020-10-13 11:16:38,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:38,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:16:38,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231620411] [2020-10-13 11:16:38,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:16:38,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:38,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:16:38,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:16:38,794 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 9 states. [2020-10-13 11:16:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:39,013 INFO L93 Difference]: Finished difference Result 107 states and 115 transitions. [2020-10-13 11:16:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:16:39,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-13 11:16:39,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:39,015 INFO L225 Difference]: With dead ends: 107 [2020-10-13 11:16:39,015 INFO L226 Difference]: Without dead ends: 76 [2020-10-13 11:16:39,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:16:39,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-13 11:16:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-10-13 11:16:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-13 11:16:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-10-13 11:16:39,036 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 63 [2020-10-13 11:16:39,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:39,037 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-10-13 11:16:39,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:16:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-10-13 11:16:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 11:16:39,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:39,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:39,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 11:16:39,046 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:39,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:39,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-10-13 11:16:39,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:39,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127540516] [2020-10-13 11:16:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:39,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 982 [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:16:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 11:16:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:16:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:16:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:16:40,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 11:16:40,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:40,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:40,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:40,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:40,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:40,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:40,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:40,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:40,361 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 11:16:40,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127540516] [2020-10-13 11:16:40,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:40,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:16:40,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487805320] [2020-10-13 11:16:40,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:16:40,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:40,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:16:40,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:16:40,364 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 12 states. [2020-10-13 11:16:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:40,683 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2020-10-13 11:16:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:16:40,683 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-13 11:16:40,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:40,684 INFO L225 Difference]: With dead ends: 85 [2020-10-13 11:16:40,684 INFO L226 Difference]: Without dead ends: 76 [2020-10-13 11:16:40,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:16:40,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-13 11:16:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-10-13 11:16:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-13 11:16:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-10-13 11:16:40,696 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-10-13 11:16:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:40,696 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-10-13 11:16:40,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:16:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-10-13 11:16:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-13 11:16:40,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:40,697 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, 1, 1, 1, 1, 1, 1, 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 11:16:40,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 11:16:40,698 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:40,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:40,698 INFO L82 PathProgramCache]: Analyzing trace with hash -620645477, now seen corresponding path program 1 times [2020-10-13 11:16:40,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:40,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54312034] [2020-10-13 11:16:40,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:40,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 690 [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:41,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 11:16:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:16:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:41,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:41,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:41,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:16:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:41,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:16:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:16:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 11:16:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:16:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:16:41,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:16:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:16:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:41,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:16:41,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 11:16:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:41,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:41,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 11:16:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:16:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:41,694 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 11:16:41,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54312034] [2020-10-13 11:16:41,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:16:41,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:16:41,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471128213] [2020-10-13 11:16:41,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:16:41,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:16:41,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:16:41,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:16:41,696 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 11 states. [2020-10-13 11:16:41,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:16:41,866 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-10-13 11:16:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:16:41,867 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-10-13 11:16:41,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:16:41,867 INFO L225 Difference]: With dead ends: 76 [2020-10-13 11:16:41,867 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 11:16:41,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:16:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 11:16:41,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 11:16:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 11:16:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 11:16:41,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-13 11:16:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:16:41,872 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 11:16:41,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:16:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 11:16:41,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 11:16:41,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 11:16:41,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 11:16:42,897 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-10-13 11:16:43,172 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2020-10-13 11:16:43,746 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-10-13 11:16:44,256 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-13 11:16:44,984 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-10-13 11:16:44,984 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-10-13 11:16:44,984 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-10-13 11:16:44,985 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-10-13 11:16:44,985 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-10-13 11:16:44,985 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-10-13 11:16:44,986 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-10-13 11:16:44,986 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-10-13 11:16:44,986 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-10-13 11:16:44,986 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= ~compFptr~0 |old(~compFptr~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (= |old(~pended~0)| 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:44,986 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-10-13 11:16:44,986 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-10-13 11:16:44,987 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,987 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-10-13 11:16:44,987 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-10-13 11:16:44,987 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-10-13 11:16:44,987 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-10-13 11:16:44,987 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-10-13 11:16:44,988 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-13 11:16:44,988 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-10-13 11:16:44,988 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-10-13 11:16:44,988 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-13 11:16:44,988 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-10-13 11:16:44,988 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-10-13 11:16:44,988 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-10-13 11:16:44,989 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~pended~0 1))) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,989 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-10-13 11:16:44,989 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-13 11:16:44,989 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-10-13 11:16:44,989 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-10-13 11:16:44,989 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-10-13 11:16:44,990 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,990 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-10-13 11:16:44,990 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,990 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-10-13 11:16:44,990 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-13 11:16:44,990 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-13 11:16:44,991 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-13 11:16:44,991 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-10-13 11:16:44,991 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-10-13 11:16:44,991 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-13 11:16:44,991 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-10-13 11:16:44,991 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-10-13 11:16:44,991 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-10-13 11:16:44,992 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~pended~0 1))) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,992 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-13 11:16:44,992 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-10-13 11:16:44,992 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-10-13 11:16:44,992 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|))))) [2020-10-13 11:16:44,992 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-13 11:16:44,993 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (let ((.cse1 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and .cse1 (<= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0) (<= 1 ~setEventCalled~0)) (and .cse1 (= (+ IofCallDriver_~returnVal2~0 1073741823) 0)) (not (= ~NP~0 |old(~s~0)|)) (and .cse1 (= IofCallDriver_~returnVal2~0 0)))))) [2020-10-13 11:16:44,993 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~MPR1~0 ~s~0) (<= ~setEventCalled~0 1) (<= 1 ~setEventCalled~0))))) [2020-10-13 11:16:44,993 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-10-13 11:16:44,993 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-10-13 11:16:44,994 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-10-13 11:16:44,994 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (<= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (<= 1 ~setEventCalled~0)) (not (= ~NP~0 |old(~s~0)|))))) [2020-10-13 11:16:44,994 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse2 (= ~setEventCalled~0 |old(~setEventCalled~0)|))) (and (or .cse0 (and .cse1 .cse2 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and .cse1 .cse2 (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|))))) [2020-10-13 11:16:44,994 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= |old(~s~0)| ~NP~0))))) [2020-10-13 11:16:44,994 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-10-13 11:16:44,995 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-10-13 11:16:44,995 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (= ~MPR1~0 ~s~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-13 11:16:44,995 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-10-13 11:16:44,995 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-10-13 11:16:44,995 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (= ~MPR1~0 ~s~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-13 11:16:44,996 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-10-13 11:16:44,996 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-10-13 11:16:44,996 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~s~0)| ~NP~0)) (not (<= ~setEventCalled~0 1)) (not (<= 1 ~setEventCalled~0))) [2020-10-13 11:16:44,996 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-10-13 11:16:44,996 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (<= 1 ~setEventCalled~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~setEventCalled~0 1))) [2020-10-13 11:16:44,997 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-10-13 11:16:44,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 11:16:44,997 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= ~NP~0 |old(~NP~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~s~0 |old(~s~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~IPC~0 |old(~IPC~0)|) (= ~DC~0 |old(~DC~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) [2020-10-13 11:16:44,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 11:16:44,997 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (not (<= |old(~setEventCalled~0)| 1))) (.cse4 (not (<= 1 |old(~setEventCalled~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4))) [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-10-13 11:16:44,998 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-10-13 11:16:44,999 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (not (<= |old(~setEventCalled~0)| 1))) (.cse4 (not (<= 1 |old(~setEventCalled~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|)) .cse3 .cse4))) [2020-10-13 11:16:44,999 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-10-13 11:16:44,999 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse1 (= ~pended~0 1))) (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (and (= ~s~0 ~NP~0) (not .cse1))) (.cse4 (not (<= |old(~setEventCalled~0)| 1))) (.cse5 (not (<= 1 |old(~setEventCalled~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4 .cse5)))) [2020-10-13 11:16:44,999 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (and (<= ~setEventCalled~0 1) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~setEventCalled~0))) (.cse4 (not (<= |old(~setEventCalled~0)| 1))) (.cse5 (not (<= 1 |old(~setEventCalled~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse3 .cse4 .cse5))) [2020-10-13 11:16:45,000 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse1 (= ~pended~0 1))) (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (and (= ~s~0 ~NP~0) (not .cse1))) (.cse4 (not (<= |old(~setEventCalled~0)| 1))) (.cse5 (not (<= 1 |old(~setEventCalled~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4 .cse5)))) [2020-10-13 11:16:45,000 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~s~0)| ~NP~0))) [2020-10-13 11:16:45,000 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-10-13 11:16:45,000 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|)) [2020-10-13 11:16:45,000 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-10-13 11:16:45,000 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-10-13 11:16:45,001 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 11:16:45,001 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) [2020-10-13 11:16:45,001 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 11:16:45,001 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 11:16:45,001 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse0 (<= ~setEventCalled~0 1)) (.cse1 (<= 1 ~compRegistered~0)) (.cse2 (<= 1 ~setEventCalled~0))) (or (= ~pended~0 1) (and (= ~MPR3~0 ~s~0) (<= 0 KbFilter_PnP_~status~0) .cse0 (= KbFilter_PnP_~__cil_tmp23~0 259) .cse1 .cse2) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and .cse0 (= ~s~0 ~NP~0) .cse1 .cse2) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)))) [2020-10-13 11:16:45,001 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-10-13 11:16:45,002 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-10-13 11:16:45,002 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-10-13 11:16:45,002 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (= ~s~0 ~NP~0) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,002 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,002 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,002 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-10-13 11:16:45,002 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-10-13 11:16:45,003 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-10-13 11:16:45,003 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,003 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (<= 0 KbFilter_PnP_~status~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))) [2020-10-13 11:16:45,003 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-10-13 11:16:45,003 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-10-13 11:16:45,003 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-10-13 11:16:45,004 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-10-13 11:16:45,004 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,005 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-10-13 11:16:45,005 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-10-13 11:16:45,005 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,005 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,005 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-10-13 11:16:45,005 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,006 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-10-13 11:16:45,006 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-10-13 11:16:45,006 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-10-13 11:16:45,006 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-10-13 11:16:45,006 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-13 11:16:45,006 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-10-13 11:16:45,007 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-10-13 11:16:45,008 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-10-13 11:16:45,009 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-10-13 11:16:45,009 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-10-13 11:16:45,009 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-13 11:16:45,009 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-10-13 11:16:45,009 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,009 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-10-13 11:16:45,009 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-10-13 11:16:45,010 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-10-13 11:16:45,010 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 KbFilter_PnP_~status~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-13 11:16:45,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:45 BoogieIcfgContainer [2020-10-13 11:16:45,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 11:16:45,050 INFO L168 Benchmark]: Toolchain (without parser) took 25069.54 ms. Allocated memory was 140.5 MB in the beginning and 625.5 MB in the end (delta: 485.0 MB). Free memory was 103.2 MB in the beginning and 102.8 MB in the end (delta: 323.0 kB). Peak memory consumption was 485.3 MB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,051 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.77 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 179.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,053 INFO L168 Benchmark]: Boogie Preprocessor took 48.86 ms. Allocated memory is still 203.9 MB. Free memory was 179.6 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,053 INFO L168 Benchmark]: RCFGBuilder took 823.11 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 131.7 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,054 INFO L168 Benchmark]: TraceAbstraction took 23702.22 ms. Allocated memory was 203.9 MB in the beginning and 625.5 MB in the end (delta: 421.5 MB). Free memory was 131.7 MB in the beginning and 102.8 MB in the end (delta: 28.8 MB). Peak memory consumption was 450.4 MB. Max. memory is 7.1 GB. [2020-10-13 11:16:45,064 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 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 483.77 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 179.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.86 ms. Allocated memory is still 203.9 MB. Free memory was 179.6 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 823.11 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 131.7 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23702.22 ms. Allocated memory was 203.9 MB in the beginning and 625.5 MB in the end (delta: 421.5 MB). Free memory was 131.7 MB in the beginning and 102.8 MB in the end (delta: 28.8 MB). Peak memory consumption was 450.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((pended == 1 || (((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP + 4 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pended == 1 || (((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP + 4 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || MPR1 == s) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) && ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) || ((setEventCalled == \old(setEventCalled) && \old(customIrp) == customIrp) && s == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((pended == 1 || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= status) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP + 4 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) || ((MPR1 == s && setEventCalled <= 1) && 1 <= setEventCalled)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || (s == NP && !(pended == 1))) || !(NP == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) && ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || (s == NP && !(pended == 1))) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || (((MPR1 == s && setEventCalled <= 1) && 259 == returnVal2) && 1 <= setEventCalled)) || (MPR1 == s && returnVal2 + 1073741823 == 0)) || !(NP == \old(s))) || (MPR1 == s && returnVal2 == 0)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || (s == NP && !(pended == 1))) || !(NP == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) && ((((((!(1 <= compRegistered) || pended == 1) || !(NP + 4 <= MPR1)) || (s == NP && !(pended == 1))) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((pended == 1 || (((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP + 4 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || MPR1 == s) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || (((compRegistered == 0 && s == NP) && NP + 4 <= MPR1) && !(pended == 1))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP)) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1371 SDtfs, 1440 SDslu, 1961 SDs, 0 SdLazy, 3266 SolverSat, 476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 84 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 230 PreInvPairs, 289 NumberOfFragments, 1859 HoareAnnotationTreeSize, 230 FomulaSimplifications, 3323 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1654 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 756 NumberOfCodeBlocks, 756 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 162899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...