/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:22:39,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:22:39,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:22:39,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:22:39,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:22:39,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:22:39,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:22:39,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:22:39,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:22:39,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:22:39,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:22:39,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:22:39,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:22:39,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:22:39,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:22:39,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:22:39,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:22:39,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:22:39,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:22:39,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:22:39,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:22:39,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:22:39,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:22:39,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:22:39,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:22:39,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:22:39,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:22:39,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:22:39,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:22:39,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:22:39,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:22:39,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:22:39,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:22:39,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:22:39,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:22:39,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:22:39,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:22:39,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:22:39,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:22:39,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:22:39,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:22:39,380 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 [2020-09-21 11:22:39,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:22:39,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:22:39,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:22:39,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:22:39,407 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:22:39,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:22:39,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:22:39,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:22:39,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:22:39,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:22:39,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:22:39,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:22:39,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:22:39,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:22:39,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:22:39,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:22:39,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:22:39,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:22:39,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:22:39,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:22:39,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:22:39,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:22:39,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:22:39,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:22:39,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:22:39,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:22:39,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:22:39,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:22:39,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:22:39,412 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:22:39,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:22:39,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:22:39,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:22:39,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:22:39,888 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:22:39,890 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-09-21 11:22:39,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83359252/ec21b736be92448e8b8f08aa137449ae/FLAGaaea4709a [2020-09-21 11:22:40,548 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:22:40,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-09-21 11:22:40,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83359252/ec21b736be92448e8b8f08aa137449ae/FLAGaaea4709a [2020-09-21 11:22:40,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83359252/ec21b736be92448e8b8f08aa137449ae [2020-09-21 11:22:40,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:22:40,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:22:40,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:40,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:22:40,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:22:40,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:40" (1/1) ... [2020-09-21 11:22:40,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f2544e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:40, skipping insertion in model container [2020-09-21 11:22:40,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:40" (1/1) ... [2020-09-21 11:22:40,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:22:40,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:22:41,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:41,323 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:22:41,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:41,535 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:22:41,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41 WrapperNode [2020-09-21 11:22:41,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:41,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:22:41,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:22:41,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:22:41,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (1/1) ... [2020-09-21 11:22:41,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:22:41,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:22:41,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:22:41,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:22:41,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (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 [2020-09-21 11:22:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:22:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:22:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-09-21 11:22:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-09-21 11:22:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-09-21 11:22:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:22:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-09-21 11:22:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-09-21 11:22:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-09-21 11:22:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-09-21 11:22:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-09-21 11:22:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-09-21 11:22:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-09-21 11:22:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-09-21 11:22:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-09-21 11:22:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-09-21 11:22:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-09-21 11:22:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-09-21 11:22:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:22:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-09-21 11:22:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-09-21 11:22:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:22:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-09-21 11:22:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:22:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:22:41,975 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,056 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-09-21 11:22:42,056 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-09-21 11:22:42,091 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,205 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-09-21 11:22:42,205 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-09-21 11:22:42,207 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,259 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-09-21 11:22:42,259 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-09-21 11:22:42,271 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,333 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-09-21 11:22:42,333 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-09-21 11:22:42,426 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,446 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-09-21 11:22:42,447 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-09-21 11:22:42,475 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:42,564 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-09-21 11:22:42,564 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-09-21 11:22:42,584 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:22:42,584 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:22:42,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:42 BoogieIcfgContainer [2020-09-21 11:22:42,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:22:42,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:22:42,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:22:42,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:22:42,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:22:40" (1/3) ... [2020-09-21 11:22:42,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a2b13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:42, skipping insertion in model container [2020-09-21 11:22:42,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:41" (2/3) ... [2020-09-21 11:22:42,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a2b13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:42, skipping insertion in model container [2020-09-21 11:22:42,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:42" (3/3) ... [2020-09-21 11:22:42,601 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-09-21 11:22:42,613 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:22:42,623 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:22:42,643 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:22:42,674 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:22:42,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:22:42,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:22:42,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:22:42,675 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:22:42,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:22:42,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:22:42,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:22:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2020-09-21 11:22:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-21 11:22:42,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:42,714 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] [2020-09-21 11:22:42,714 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:42,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1712773315, now seen corresponding path program 1 times [2020-09-21 11:22:42,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:42,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873308940] [2020-09-21 11:22:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:22:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:22:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:22:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:43,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:43,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:43,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:43,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:43,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:43,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873308940] [2020-09-21 11:22:43,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:43,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:22:43,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727971965] [2020-09-21 11:22:43,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:22:43,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:43,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:22:43,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:22:43,305 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 5 states. [2020-09-21 11:22:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:44,477 INFO L93 Difference]: Finished difference Result 416 states and 625 transitions. [2020-09-21 11:22:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:22:44,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-09-21 11:22:44,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:44,499 INFO L225 Difference]: With dead ends: 416 [2020-09-21 11:22:44,499 INFO L226 Difference]: Without dead ends: 256 [2020-09-21 11:22:44,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:22:44,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-09-21 11:22:44,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 228. [2020-09-21 11:22:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-21 11:22:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 322 transitions. [2020-09-21 11:22:44,601 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 322 transitions. Word has length 20 [2020-09-21 11:22:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:44,601 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 322 transitions. [2020-09-21 11:22:44,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:22:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 322 transitions. [2020-09-21 11:22:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 11:22:44,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:44,604 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] [2020-09-21 11:22:44,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:22:44,604 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:44,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:44,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1840561730, now seen corresponding path program 1 times [2020-09-21 11:22:44,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:44,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156627797] [2020-09-21 11:22:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:22:44,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -5 [2020-09-21 11:22:44,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 5 [2020-09-21 11:22:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:22:44,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:22:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:22:44,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:44,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:22:44,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:44,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:44,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:22:45,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:45,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:45,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:45,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:45,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:45,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156627797] [2020-09-21 11:22:45,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:45,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:45,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685570848] [2020-09-21 11:22:45,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:45,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:45,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:45,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:45,039 INFO L87 Difference]: Start difference. First operand 228 states and 322 transitions. Second operand 6 states. [2020-09-21 11:22:46,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:46,508 INFO L93 Difference]: Finished difference Result 401 states and 553 transitions. [2020-09-21 11:22:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:22:46,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-09-21 11:22:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:46,517 INFO L225 Difference]: With dead ends: 401 [2020-09-21 11:22:46,517 INFO L226 Difference]: Without dead ends: 343 [2020-09-21 11:22:46,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-21 11:22:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 301. [2020-09-21 11:22:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-21 11:22:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 411 transitions. [2020-09-21 11:22:46,596 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 411 transitions. Word has length 28 [2020-09-21 11:22:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:46,597 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 411 transitions. [2020-09-21 11:22:46,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 411 transitions. [2020-09-21 11:22:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 11:22:46,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:46,599 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] [2020-09-21 11:22:46,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:22:46,599 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:46,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:46,600 INFO L82 PathProgramCache]: Analyzing trace with hash -919522484, now seen corresponding path program 1 times [2020-09-21 11:22:46,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:46,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010323845] [2020-09-21 11:22:46,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:22:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -18 [2020-09-21 11:22:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 18 [2020-09-21 11:22:46,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 11:22:46,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:46,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:22:46,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:46,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:46,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010323845] [2020-09-21 11:22:46,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:46,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:46,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576843819] [2020-09-21 11:22:46,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:46,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:46,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:46,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:46,826 INFO L87 Difference]: Start difference. First operand 301 states and 411 transitions. Second operand 6 states. [2020-09-21 11:22:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:47,739 INFO L93 Difference]: Finished difference Result 478 states and 635 transitions. [2020-09-21 11:22:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:22:47,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-09-21 11:22:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:47,746 INFO L225 Difference]: With dead ends: 478 [2020-09-21 11:22:47,747 INFO L226 Difference]: Without dead ends: 362 [2020-09-21 11:22:47,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-09-21 11:22:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2020-09-21 11:22:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-21 11:22:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 462 transitions. [2020-09-21 11:22:47,786 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 462 transitions. Word has length 28 [2020-09-21 11:22:47,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:47,786 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 462 transitions. [2020-09-21 11:22:47,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 462 transitions. [2020-09-21 11:22:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-21 11:22:47,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:47,789 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] [2020-09-21 11:22:47,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:22:47,790 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:47,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1823384951, now seen corresponding path program 1 times [2020-09-21 11:22:47,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:47,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343312456] [2020-09-21 11:22:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-21 11:22:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:22:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:47,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:47,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:47,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:47,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:47,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:47,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:47,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:48,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343312456] [2020-09-21 11:22:48,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:48,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:48,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953205967] [2020-09-21 11:22:48,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:48,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:48,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:48,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:48,007 INFO L87 Difference]: Start difference. First operand 341 states and 462 transitions. Second operand 6 states. [2020-09-21 11:22:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:48,855 INFO L93 Difference]: Finished difference Result 344 states and 464 transitions. [2020-09-21 11:22:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:22:48,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-09-21 11:22:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:48,860 INFO L225 Difference]: With dead ends: 344 [2020-09-21 11:22:48,860 INFO L226 Difference]: Without dead ends: 340 [2020-09-21 11:22:48,861 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 [2020-09-21 11:22:48,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-21 11:22:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2020-09-21 11:22:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-09-21 11:22:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 459 transitions. [2020-09-21 11:22:48,890 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 459 transitions. Word has length 38 [2020-09-21 11:22:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:48,891 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 459 transitions. [2020-09-21 11:22:48,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2020-09-21 11:22:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:22:48,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:48,896 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] [2020-09-21 11:22:48,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:22:48,896 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:48,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1946925920, now seen corresponding path program 1 times [2020-09-21 11:22:48,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:48,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221953042] [2020-09-21 11:22:48,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:22:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:49,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:22:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:22:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:22:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:49,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221953042] [2020-09-21 11:22:49,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:49,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:49,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935254922] [2020-09-21 11:22:49,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:49,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:49,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:49,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:49,218 INFO L87 Difference]: Start difference. First operand 340 states and 459 transitions. Second operand 8 states. [2020-09-21 11:22:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:50,291 INFO L93 Difference]: Finished difference Result 385 states and 508 transitions. [2020-09-21 11:22:50,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:22:50,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-09-21 11:22:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:50,295 INFO L225 Difference]: With dead ends: 385 [2020-09-21 11:22:50,296 INFO L226 Difference]: Without dead ends: 319 [2020-09-21 11:22:50,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-09-21 11:22:50,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2020-09-21 11:22:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-21 11:22:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2020-09-21 11:22:50,331 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 46 [2020-09-21 11:22:50,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:50,334 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2020-09-21 11:22:50,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2020-09-21 11:22:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-21 11:22:50,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:50,345 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] [2020-09-21 11:22:50,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:22:50,345 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:50,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:50,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1615603168, now seen corresponding path program 1 times [2020-09-21 11:22:50,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:50,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759297188] [2020-09-21 11:22:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:22:50,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:50,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:22:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:50,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:50,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:22:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:22:50,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:50,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:22:50,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-21 11:22:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:22:50,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:50,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:50,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759297188] [2020-09-21 11:22:50,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:50,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:50,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949711754] [2020-09-21 11:22:50,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:50,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:50,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:50,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:50,670 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand 8 states. [2020-09-21 11:22:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:51,143 INFO L93 Difference]: Finished difference Result 310 states and 413 transitions. [2020-09-21 11:22:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:51,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-09-21 11:22:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:51,145 INFO L225 Difference]: With dead ends: 310 [2020-09-21 11:22:51,145 INFO L226 Difference]: Without dead ends: 102 [2020-09-21 11:22:51,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:51,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-09-21 11:22:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-09-21 11:22:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-21 11:22:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-09-21 11:22:51,156 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 45 [2020-09-21 11:22:51,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:51,156 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-09-21 11:22:51,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-09-21 11:22:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-21 11:22:51,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:51,158 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] [2020-09-21 11:22:51,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:22:51,158 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:51,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash -582629432, now seen corresponding path program 1 times [2020-09-21 11:22:51,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:51,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529361687] [2020-09-21 11:22:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:22:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-09-21 11:22:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:22:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:22:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:22:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:51,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529361687] [2020-09-21 11:22:51,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:51,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:51,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854771288] [2020-09-21 11:22:51,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:51,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:51,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:51,423 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 8 states. [2020-09-21 11:22:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:51,671 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2020-09-21 11:22:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:51,671 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-21 11:22:51,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:51,673 INFO L225 Difference]: With dead ends: 130 [2020-09-21 11:22:51,673 INFO L226 Difference]: Without dead ends: 100 [2020-09-21 11:22:51,674 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 [2020-09-21 11:22:51,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-21 11:22:51,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-09-21 11:22:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 11:22:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-09-21 11:22:51,683 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 53 [2020-09-21 11:22:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:51,683 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-09-21 11:22:51,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-09-21 11:22:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:22:51,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:51,685 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] [2020-09-21 11:22:51,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:22:51,685 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:51,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:51,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1306380805, now seen corresponding path program 1 times [2020-09-21 11:22:51,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:51,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343235407] [2020-09-21 11:22:51,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:22:51,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:22:51,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:22:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:22:51,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:22:51,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:22:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:51,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:22:51,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:51,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:22:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:52,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:52,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343235407] [2020-09-21 11:22:52,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:52,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:52,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153216049] [2020-09-21 11:22:52,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:52,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:52,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:52,043 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 11 states. [2020-09-21 11:22:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:52,352 INFO L93 Difference]: Finished difference Result 152 states and 177 transitions. [2020-09-21 11:22:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:22:52,353 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2020-09-21 11:22:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:52,356 INFO L225 Difference]: With dead ends: 152 [2020-09-21 11:22:52,356 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 11:22:52,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:52,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 11:22:52,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2020-09-21 11:22:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 11:22:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2020-09-21 11:22:52,365 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 57 [2020-09-21 11:22:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:52,366 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2020-09-21 11:22:52,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2020-09-21 11:22:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:22:52,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:52,367 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] [2020-09-21 11:22:52,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:22:52,368 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:52,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:52,368 INFO L82 PathProgramCache]: Analyzing trace with hash -538994442, now seen corresponding path program 1 times [2020-09-21 11:22:52,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:52,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89973230] [2020-09-21 11:22:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:22:52,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:22:52,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:22:52,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:22:52,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:52,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:22:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:22:52,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:22:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:22:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:52,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89973230] [2020-09-21 11:22:52,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:52,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:52,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505656602] [2020-09-21 11:22:52,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:52,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:52,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:52,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:52,677 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 11 states. [2020-09-21 11:22:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:52,977 INFO L93 Difference]: Finished difference Result 115 states and 129 transitions. [2020-09-21 11:22:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:52,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2020-09-21 11:22:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:52,979 INFO L225 Difference]: With dead ends: 115 [2020-09-21 11:22:52,979 INFO L226 Difference]: Without dead ends: 108 [2020-09-21 11:22:52,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:22:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-21 11:22:52,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2020-09-21 11:22:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-21 11:22:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2020-09-21 11:22:52,990 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 57 [2020-09-21 11:22:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:52,990 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2020-09-21 11:22:52,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2020-09-21 11:22:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:22:52,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:52,992 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] [2020-09-21 11:22:52,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:22:52,992 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:52,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:52,992 INFO L82 PathProgramCache]: Analyzing trace with hash -914264427, now seen corresponding path program 1 times [2020-09-21 11:22:52,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:52,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903645649] [2020-09-21 11:22:52,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:22:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:53,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 11:22:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:22:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:22:53,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:53,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903645649] [2020-09-21 11:22:53,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:53,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:53,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339732499] [2020-09-21 11:22:53,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:53,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:53,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:53,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:53,236 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 8 states. [2020-09-21 11:22:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:53,693 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2020-09-21 11:22:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:22:53,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-09-21 11:22:53,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:53,696 INFO L225 Difference]: With dead ends: 122 [2020-09-21 11:22:53,696 INFO L226 Difference]: Without dead ends: 117 [2020-09-21 11:22:53,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:53,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-09-21 11:22:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 108. [2020-09-21 11:22:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 11:22:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2020-09-21 11:22:53,706 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 58 [2020-09-21 11:22:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:53,706 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2020-09-21 11:22:53,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2020-09-21 11:22:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:22:53,707 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:53,707 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] [2020-09-21 11:22:53,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:22:53,708 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:53,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1535327622, now seen corresponding path program 1 times [2020-09-21 11:22:53,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:53,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541742463] [2020-09-21 11:22:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 11:22:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:22:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:54,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:54,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:54,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541742463] [2020-09-21 11:22:54,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:54,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:22:54,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685176466] [2020-09-21 11:22:54,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:22:54,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:54,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:22:54,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:22:54,042 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand 10 states. [2020-09-21 11:22:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:54,375 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2020-09-21 11:22:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:54,376 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-21 11:22:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:54,377 INFO L225 Difference]: With dead ends: 146 [2020-09-21 11:22:54,377 INFO L226 Difference]: Without dead ends: 102 [2020-09-21 11:22:54,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:22:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-09-21 11:22:54,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-09-21 11:22:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-21 11:22:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2020-09-21 11:22:54,388 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 58 [2020-09-21 11:22:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:54,389 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2020-09-21 11:22:54,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:22:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2020-09-21 11:22:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:22:54,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:54,390 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] [2020-09-21 11:22:54,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:22:54,390 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:54,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1832020397, now seen corresponding path program 1 times [2020-09-21 11:22:54,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:54,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579187553] [2020-09-21 11:22:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:22:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:22:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:54,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:54,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:54,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:22:54,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:54,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:54,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:54,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:54,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:54,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579187553] [2020-09-21 11:22:54,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:54,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:54,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266166480] [2020-09-21 11:22:54,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:54,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:54,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:54,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:54,792 INFO L87 Difference]: Start difference. First operand 102 states and 112 transitions. Second operand 11 states. [2020-09-21 11:22:55,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:55,234 INFO L93 Difference]: Finished difference Result 132 states and 147 transitions. [2020-09-21 11:22:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:22:55,235 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-09-21 11:22:55,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:55,236 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:22:55,236 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 11:22:55,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:22:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 11:22:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-09-21 11:22:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 11:22:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2020-09-21 11:22:55,252 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 62 [2020-09-21 11:22:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:55,252 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2020-09-21 11:22:55,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2020-09-21 11:22:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:22:55,253 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:55,254 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] [2020-09-21 11:22:55,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:22:55,254 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:55,254 INFO L82 PathProgramCache]: Analyzing trace with hash 198062706, now seen corresponding path program 1 times [2020-09-21 11:22:55,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:55,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721008825] [2020-09-21 11:22:55,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:22:55,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:55,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:22:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:55,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:55,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721008825] [2020-09-21 11:22:55,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:55,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:55,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140742677] [2020-09-21 11:22:55,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:55,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:55,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:55,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:55,540 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand 9 states. [2020-09-21 11:22:55,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:55,775 INFO L93 Difference]: Finished difference Result 130 states and 144 transitions. [2020-09-21 11:22:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:22:55,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-09-21 11:22:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:55,777 INFO L225 Difference]: With dead ends: 130 [2020-09-21 11:22:55,777 INFO L226 Difference]: Without dead ends: 100 [2020-09-21 11:22:55,778 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 [2020-09-21 11:22:55,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-21 11:22:55,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2020-09-21 11:22:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 11:22:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2020-09-21 11:22:55,787 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 64 [2020-09-21 11:22:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:55,788 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2020-09-21 11:22:55,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2020-09-21 11:22:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:22:55,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:55,789 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] [2020-09-21 11:22:55,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:22:55,789 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:55,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:55,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1883613746, now seen corresponding path program 1 times [2020-09-21 11:22:55,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:55,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687563412] [2020-09-21 11:22:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:22:55,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:22:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:22:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:56,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:22:56,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:56,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:56,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687563412] [2020-09-21 11:22:56,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:56,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:56,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493248093] [2020-09-21 11:22:56,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:56,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:56,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:56,163 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand 12 states. [2020-09-21 11:22:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:56,529 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2020-09-21 11:22:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:56,529 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-09-21 11:22:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:56,530 INFO L225 Difference]: With dead ends: 116 [2020-09-21 11:22:56,530 INFO L226 Difference]: Without dead ends: 97 [2020-09-21 11:22:56,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-21 11:22:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-09-21 11:22:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 11:22:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2020-09-21 11:22:56,540 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 64 [2020-09-21 11:22:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:56,540 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2020-09-21 11:22:56,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2020-09-21 11:22:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:22:56,542 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:56,542 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] [2020-09-21 11:22:56,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:22:56,542 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:56,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1968245100, now seen corresponding path program 1 times [2020-09-21 11:22:56,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:56,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768246328] [2020-09-21 11:22:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:22:56,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:56,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:56,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:22:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:56,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:22:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:56,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:56,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768246328] [2020-09-21 11:22:56,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:56,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:56,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851719462] [2020-09-21 11:22:56,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:56,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:56,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:56,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:56,908 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand 11 states. [2020-09-21 11:22:57,154 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-09-21 11:22:57,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:57,526 INFO L93 Difference]: Finished difference Result 109 states and 114 transitions. [2020-09-21 11:22:57,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:22:57,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-09-21 11:22:57,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:57,527 INFO L225 Difference]: With dead ends: 109 [2020-09-21 11:22:57,527 INFO L226 Difference]: Without dead ends: 91 [2020-09-21 11:22:57,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:22:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-21 11:22:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2020-09-21 11:22:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-21 11:22:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2020-09-21 11:22:57,537 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 65 [2020-09-21 11:22:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:57,537 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2020-09-21 11:22:57,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2020-09-21 11:22:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:22:57,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:57,539 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] [2020-09-21 11:22:57,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:22:57,539 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:57,540 INFO L82 PathProgramCache]: Analyzing trace with hash -603130258, now seen corresponding path program 1 times [2020-09-21 11:22:57,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:57,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620550926] [2020-09-21 11:22:57,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:22:57,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -36 [2020-09-21 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 36 [2020-09-21 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-21 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:57,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:57,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:57,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:22:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:57,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:57,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:57,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620550926] [2020-09-21 11:22:57,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:57,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:57,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113869981] [2020-09-21 11:22:57,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:57,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:57,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:57,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:57,909 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 9 states. [2020-09-21 11:22:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:58,196 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-09-21 11:22:58,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:58,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 11:22:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:58,197 INFO L225 Difference]: With dead ends: 98 [2020-09-21 11:22:58,198 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 11:22:58,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 11:22:58,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 11:22:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 11:22:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-09-21 11:22:58,208 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 65 [2020-09-21 11:22:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:58,209 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-09-21 11:22:58,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-09-21 11:22:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:22:58,210 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:58,210 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] [2020-09-21 11:22:58,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 11:22:58,210 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:58,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:58,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1151601388, now seen corresponding path program 1 times [2020-09-21 11:22:58,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:58,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768743469] [2020-09-21 11:22:58,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:22:58,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:22:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:22:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:58,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:58,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:58,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:58,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:22:58,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:58,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:58,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:58,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:58,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:58,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:58,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:58,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:58,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:58,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:58,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:58,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:58,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768743469] [2020-09-21 11:22:58,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:58,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:58,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124142354] [2020-09-21 11:22:58,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:58,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:58,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:58,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:58,777 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 12 states. [2020-09-21 11:22:59,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:59,037 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2020-09-21 11:22:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:59,037 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-09-21 11:22:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:59,038 INFO L225 Difference]: With dead ends: 87 [2020-09-21 11:22:59,038 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 11:22:59,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:59,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 11:22:59,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 11:22:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 11:22:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2020-09-21 11:22:59,049 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 65 [2020-09-21 11:22:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:59,049 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2020-09-21 11:22:59,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-09-21 11:22:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-09-21 11:22:59,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:59,050 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, 1, 1] [2020-09-21 11:22:59,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 11:22:59,051 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:59,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:59,051 INFO L82 PathProgramCache]: Analyzing trace with hash -42695807, now seen corresponding path program 1 times [2020-09-21 11:22:59,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:59,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466631293] [2020-09-21 11:22:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-09-21 11:22:59,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:59,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-21 11:22:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:59,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:59,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 11:22:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:59,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:59,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:59,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:22:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:59,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:59,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:22:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:59,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:59,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:59,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:59,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:59,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:59,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:22:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:22:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:59,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466631293] [2020-09-21 11:22:59,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:59,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:59,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561507297] [2020-09-21 11:22:59,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:59,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:59,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:59,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:59,381 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 11 states. [2020-09-21 11:22:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:59,635 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-09-21 11:22:59,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:59,636 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-09-21 11:22:59,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:59,637 INFO L225 Difference]: With dead ends: 78 [2020-09-21 11:22:59,637 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:22:59,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:22:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:22:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:22:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:22:59,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-09-21 11:22:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:59,639 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:22:59,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:22:59,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:22:59,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 11:22:59,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:23:02,140 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2020-09-21 11:23:02,286 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-09-21 11:23:02,798 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-09-21 11:23:03,107 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-09-21 11:23:03,423 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-09-21 11:23:03,984 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2020-09-21 11:23:04,211 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-09-21 11:23:04,591 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2020-09-21 11:23:04,809 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-09-21 11:23:04,920 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-09-21 11:23:05,375 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2020-09-21 11:23:05,560 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2020-09-21 11:23:05,847 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2020-09-21 11:23:05,989 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2020-09-21 11:23:06,424 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-09-21 11:23:06,740 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-09-21 11:23:06,922 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-09-21 11:23:07,072 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-09-21 11:23:07,674 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2020-09-21 11:23:07,786 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-09-21 11:23:07,936 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 566 573) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:07,937 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 566 573) no Hoare annotation was computed. [2020-09-21 11:23:07,937 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 566 573) no Hoare annotation was computed. [2020-09-21 11:23:07,937 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 616 626) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:07,937 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:07,937 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-09-21 11:23:07,937 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 616 626) no Hoare annotation was computed. [2020-09-21 11:23:07,937 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 616 626) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point L704(lines 704 725) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point L698(lines 698 727) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 687 742) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L264 CegarLoopResult]: At program point KbFilter_PowerENTRY(lines 687 742) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point L707(lines 707 724) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L268 CegarLoopResult]: For program point L701(lines 701 726) no Hoare annotation was computed. [2020-09-21 11:23:07,938 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,939 INFO L264 CegarLoopResult]: At program point L699(lines 698 727) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,939 INFO L268 CegarLoopResult]: For program point L732-1(lines 728 734) no Hoare annotation was computed. [2020-09-21 11:23:07,939 INFO L268 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 687 742) no Hoare annotation was computed. [2020-09-21 11:23:07,939 INFO L264 CegarLoopResult]: At program point L722(lines 697 741) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,939 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 41 54) no Hoare annotation was computed. [2020-09-21 11:23:07,939 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 41 54) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,940 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 41 54) no Hoare annotation was computed. [2020-09-21 11:23:07,940 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 55 76) no Hoare annotation was computed. [2020-09-21 11:23:07,940 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 55 76) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,940 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 55 76) no Hoare annotation was computed. [2020-09-21 11:23:07,940 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 1007 1014) the Hoare annotation is: true [2020-09-21 11:23:07,940 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 1007 1014) no Hoare annotation was computed. [2020-09-21 11:23:07,941 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 1007 1014) no Hoare annotation was computed. [2020-09-21 11:23:07,941 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2020-09-21 11:23:07,941 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-09-21 11:23:07,941 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 293 464) no Hoare annotation was computed. [2020-09-21 11:23:07,941 INFO L264 CegarLoopResult]: At program point L374(lines 373 406) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (<= 0 main_~status~1) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,941 INFO L268 CegarLoopResult]: For program point L432(lines 432 434) no Hoare annotation was computed. [2020-09-21 11:23:07,942 INFO L268 CegarLoopResult]: For program point L366(lines 366 407) no Hoare annotation was computed. [2020-09-21 11:23:07,942 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-21 11:23:07,942 INFO L268 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2020-09-21 11:23:07,942 INFO L268 CegarLoopResult]: For program point L342(lines 328 411) no Hoare annotation was computed. [2020-09-21 11:23:07,942 INFO L264 CegarLoopResult]: At program point L367(lines 366 407) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (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 (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,942 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= ~MPR3~0 ~s~0) (= ~MPR1~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,942 INFO L268 CegarLoopResult]: For program point L326-1(lines 322 463) no Hoare annotation was computed. [2020-09-21 11:23:07,943 INFO L268 CegarLoopResult]: For program point L351(lines 351 410) no Hoare annotation was computed. [2020-09-21 11:23:07,943 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 293 464) no Hoare annotation was computed. [2020-09-21 11:23:07,943 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-09-21 11:23:07,943 INFO L264 CegarLoopResult]: At program point L352(lines 351 410) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (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 (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,943 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 293 464) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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)|)) (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) (= |old(~DevicePowerState~0)| ~DevicePowerState~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,943 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,944 INFO L264 CegarLoopResult]: At program point L427(lines 420 460) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-09-21 11:23:07,944 INFO L268 CegarLoopResult]: For program point L361(lines 361 408) no Hoare annotation was computed. [2020-09-21 11:23:07,944 INFO L264 CegarLoopResult]: At program point L328(lines 322 463) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-09-21 11:23:07,944 INFO L268 CegarLoopResult]: For program point L452(lines 452 454) no Hoare annotation was computed. [2020-09-21 11:23:07,944 INFO L264 CegarLoopResult]: At program point L419(lines 412 461) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-09-21 11:23:07,944 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 11:23:07,944 INFO L268 CegarLoopResult]: For program point L337(lines 337 340) no Hoare annotation was computed. [2020-09-21 11:23:07,945 INFO L264 CegarLoopResult]: At program point L337-2(lines 337 340) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= (+ ~NP~0 4) ~MPR1~0) (<= ~pended~0 0)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,945 INFO L268 CegarLoopResult]: For program point L428(lines 412 461) no Hoare annotation was computed. [2020-09-21 11:23:07,945 INFO L264 CegarLoopResult]: At program point L362(lines 361 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= (+ ~NP~0 4) ~MPR1~0) (<= ~pended~0 0)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,945 INFO L268 CegarLoopResult]: For program point L371(lines 371 406) no Hoare annotation was computed. [2020-09-21 11:23:07,945 INFO L268 CegarLoopResult]: For program point L429(lines 429 458) no Hoare annotation was computed. [2020-09-21 11:23:07,945 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L264 CegarLoopResult]: At program point L372(lines 371 406) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (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 (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L430(lines 430 457) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L356(lines 356 409) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L447(lines 447 455) no Hoare annotation was computed. [2020-09-21 11:23:07,946 INFO L264 CegarLoopResult]: At program point L439(lines 430 457) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-09-21 11:23:07,946 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-09-21 11:23:07,947 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:23:07,947 INFO L264 CegarLoopResult]: At program point L357(lines 356 409) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (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 (<= |old(~pended~0)| 0))) [2020-09-21 11:23:07,947 INFO L264 CegarLoopResult]: At program point L510(lines 509 524) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (<= ~setEventCalled~0 1) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803)) (<= 1 ~setEventCalled~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))))) [2020-09-21 11:23:07,947 INFO L268 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2020-09-21 11:23:07,947 INFO L268 CegarLoopResult]: For program point L502(lines 502 525) no Hoare annotation was computed. [2020-09-21 11:23:07,947 INFO L268 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-09-21 11:23:07,948 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:07,948 INFO L268 CegarLoopResult]: For program point L544-1(lines 526 548) no Hoare annotation was computed. [2020-09-21 11:23:07,948 INFO L268 CegarLoopResult]: For program point L507(lines 507 524) no Hoare annotation was computed. [2020-09-21 11:23:07,948 INFO L264 CegarLoopResult]: At program point L503(lines 502 525) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) (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))))) [2020-09-21 11:23:07,948 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 479 551) the Hoare annotation is: (let ((.cse2 (not (<= ~pended~0 0))) (.cse0 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse1 (= ~setEventCalled~0 |old(~setEventCalled~0)|))) (and (or (and .cse0 .cse1 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse2 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) (or .cse2 (and .cse0 .cse1 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:07,949 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (<= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803)) (<= 1 ~setEventCalled~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:07,949 INFO L268 CegarLoopResult]: For program point L487(lines 487 499) no Hoare annotation was computed. [2020-09-21 11:23:07,949 INFO L268 CegarLoopResult]: For program point L487-1(lines 487 499) no Hoare annotation was computed. [2020-09-21 11:23:07,949 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 479 551) no Hoare annotation was computed. [2020-09-21 11:23:07,949 INFO L264 CegarLoopResult]: At program point L508(lines 507 524) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) (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))))) [2020-09-21 11:23:07,949 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 479 551) no Hoare annotation was computed. [2020-09-21 11:23:07,949 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-09-21 11:23:07,950 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-09-21 11:23:07,950 INFO L264 CegarLoopResult]: At program point L522(lines 486 550) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (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 (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) (.cse2 (= ~MPR1~0 ~s~0)) (.cse3 (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803)))) (or (not (<= 1 ~compRegistered~0)) (and .cse1 .cse2 (= IofCallDriver_~returnVal2~0 0) .cse3) (and .cse1 .cse2 (<= (+ IofCallDriver_~returnVal2~0 1073741823) 0) .cse3) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and .cse1 .cse2 (<= ~setEventCalled~0 1) .cse3 (= 259 IofCallDriver_~returnVal2~0) (<= 1 ~setEventCalled~0)))))) [2020-09-21 11:23:07,950 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:07,950 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-09-21 11:23:07,950 INFO L264 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= ~setEventCalled~0 1))) [2020-09-21 11:23:07,951 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 465 478) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= ~setEventCalled~0 1))) [2020-09-21 11:23:07,951 INFO L268 CegarLoopResult]: For program point L473-1(lines 465 478) no Hoare annotation was computed. [2020-09-21 11:23:07,951 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 465 478) no Hoare annotation was computed. [2020-09-21 11:23:07,951 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-09-21 11:23:07,951 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-09-21 11:23:07,951 INFO L264 CegarLoopResult]: At program point L787(lines 751 818) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-09-21 11:23:07,951 INFO L268 CegarLoopResult]: For program point PoCallDriverEXIT(lines 743 819) no Hoare annotation was computed. [2020-09-21 11:23:07,952 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,952 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-09-21 11:23:07,952 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,952 INFO L268 CegarLoopResult]: For program point L812-1(lines 791 816) no Hoare annotation was computed. [2020-09-21 11:23:07,952 INFO L264 CegarLoopResult]: At program point L775(lines 774 789) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-09-21 11:23:07,952 INFO L268 CegarLoopResult]: For program point L767(lines 767 790) no Hoare annotation was computed. [2020-09-21 11:23:07,952 INFO L268 CegarLoopResult]: For program point PoCallDriverFINAL(lines 743 819) no Hoare annotation was computed. [2020-09-21 11:23:07,953 INFO L264 CegarLoopResult]: At program point PoCallDriverENTRY(lines 743 819) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-09-21 11:23:07,953 INFO L268 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-09-21 11:23:07,953 INFO L264 CegarLoopResult]: At program point L768(lines 767 790) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-09-21 11:23:07,953 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,953 INFO L268 CegarLoopResult]: For program point L752(lines 752 764) no Hoare annotation was computed. [2020-09-21 11:23:07,953 INFO L268 CegarLoopResult]: For program point L752-1(lines 752 764) no Hoare annotation was computed. [2020-09-21 11:23:07,953 INFO L264 CegarLoopResult]: At program point L773(lines 772 789) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-09-21 11:23:07,954 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-09-21 11:23:07,954 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-09-21 11:23:07,954 INFO L268 CegarLoopResult]: For program point L636(lines 636 654) no Hoare annotation was computed. [2020-09-21 11:23:07,954 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 627 662) no Hoare annotation was computed. [2020-09-21 11:23:07,954 INFO L264 CegarLoopResult]: At program point L651(lines 639 653) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,954 INFO L264 CegarLoopResult]: At program point L643(lines 636 654) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,954 INFO L268 CegarLoopResult]: For program point L639(lines 639 653) no Hoare annotation was computed. [2020-09-21 11:23:07,954 INFO L264 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 627 662) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,955 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,955 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-09-21 11:23:07,955 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 627 662) no Hoare annotation was computed. [2020-09-21 11:23:07,955 INFO L268 CegarLoopResult]: For program point L642(lines 642 652) no Hoare annotation was computed. [2020-09-21 11:23:07,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:07,955 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)|) (= ~DevicePowerState~0 |old(~DevicePowerState~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)|)) [2020-09-21 11:23:07,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point L894(lines 894 982) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L264 CegarLoopResult]: At program point L890(lines 889 984) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point L915(lines 915 976) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L264 CegarLoopResult]: At program point L882(lines 881 986) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 820 1005) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point L932(lines 932 971) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point L957-1(lines 957 959) no Hoare annotation was computed. [2020-09-21 11:23:07,956 INFO L268 CegarLoopResult]: For program point L908(lines 908 978) no Hoare annotation was computed. [2020-09-21 11:23:07,957 INFO L264 CegarLoopResult]: At program point L970(lines 865 1004) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,957 INFO L264 CegarLoopResult]: At program point L933(lines 873 988) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,957 INFO L264 CegarLoopResult]: At program point L995(line 995) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,957 INFO L268 CegarLoopResult]: For program point L995-1(line 995) no Hoare annotation was computed. [2020-09-21 11:23:07,957 INFO L268 CegarLoopResult]: For program point L929(lines 929 972) no Hoare annotation was computed. [2020-09-21 11:23:07,957 INFO L268 CegarLoopResult]: For program point L954(lines 954 956) no Hoare annotation was computed. [2020-09-21 11:23:07,957 INFO L268 CegarLoopResult]: For program point L954-2(lines 932 969) no Hoare annotation was computed. [2020-09-21 11:23:07,957 INFO L268 CegarLoopResult]: For program point L938(lines 938 941) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L901(lines 901 980) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L922(lines 922 974) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L889(lines 889 984) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L264 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 820 1005) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L881(lines 881 986) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L873(lines 873 988) no Hoare annotation was computed. [2020-09-21 11:23:07,958 INFO L264 CegarLoopResult]: At program point L1001(line 1001) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,958 INFO L268 CegarLoopResult]: For program point L1001-1(line 1001) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 820 1005) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 574 615) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L268 CegarLoopResult]: For program point L601(lines 601 613) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L264 CegarLoopResult]: At program point L587(lines 579 598) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))))) [2020-09-21 11:23:07,959 INFO L268 CegarLoopResult]: For program point L579(lines 579 598) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 574 615) no Hoare annotation was computed. [2020-09-21 11:23:07,959 INFO L264 CegarLoopResult]: At program point L604(lines 603 613) the Hoare annotation is: (let ((.cse6 (<= ~pended~0 0)) (.cse5 (<= 1 ~compRegistered~0))) (let ((.cse0 (not .cse5)) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not .cse6)) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (and (= ~s~0 ~NP~0) .cse5 .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4)))) [2020-09-21 11:23:07,960 INFO L264 CegarLoopResult]: At program point L602(lines 601 613) the Hoare annotation is: (let ((.cse6 (<= ~pended~0 0)) (.cse5 (<= 1 ~compRegistered~0))) (let ((.cse0 (not .cse5)) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not .cse6)) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (and (= ~s~0 ~NP~0) .cse5 .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4)))) [2020-09-21 11:23:07,960 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))))) [2020-09-21 11:23:07,960 INFO L268 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-09-21 11:23:07,960 INFO L268 CegarLoopResult]: For program point L592-1(lines 579 598) no Hoare annotation was computed. [2020-09-21 11:23:07,960 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 574 615) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= |old(~customIrp~0)| ~customIrp~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (<= ~setEventCalled~0 1) .cse4 (<= 1 ~setEventCalled~0)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) .cse4)))) [2020-09-21 11:23:07,960 INFO L268 CegarLoopResult]: For program point L580(lines 580 585) no Hoare annotation was computed. [2020-09-21 11:23:07,961 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (= ~NP~0 |old(~s~0)|)))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:07,961 INFO L268 CegarLoopResult]: For program point L560-1(lines 552 565) no Hoare annotation was computed. [2020-09-21 11:23:07,961 INFO L268 CegarLoopResult]: For program point L556(lines 556 562) no Hoare annotation was computed. [2020-09-21 11:23:07,961 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 552 565) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (= ~NP~0 |old(~s~0)|))) (.cse2 (= ~s~0 |old(~s~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 .cse1 .cse2))) [2020-09-21 11:23:07,961 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 552 565) no Hoare annotation was computed. [2020-09-21 11:23:07,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:07,961 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~MPR1~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~pended~0 0)) [2020-09-21 11:23:07,962 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:23:07,962 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:07,962 INFO L264 CegarLoopResult]: At program point KbFilter_DispatchPassThroughENTRY(lines 663 686) the Hoare annotation is: (or (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,962 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-09-21 11:23:07,962 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,962 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-09-21 11:23:07,962 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 663 686) no Hoare annotation was computed. [2020-09-21 11:23:07,963 INFO L264 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-09-21 11:23:07,963 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 663 686) no Hoare annotation was computed. [2020-09-21 11:23:07,963 INFO L268 CegarLoopResult]: For program point L676-1(lines 672 678) no Hoare annotation was computed. [2020-09-21 11:23:07,963 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,963 INFO L264 CegarLoopResult]: At program point L192(lines 192 193) the Hoare annotation is: (or (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) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,963 INFO L268 CegarLoopResult]: For program point L225-1(lines 221 227) no Hoare annotation was computed. [2020-09-21 11:23:07,963 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 193) no Hoare annotation was computed. [2020-09-21 11:23:07,963 INFO L268 CegarLoopResult]: For program point L151(lines 151 274) no Hoare annotation was computed. [2020-09-21 11:23:07,964 INFO L268 CegarLoopResult]: For program point L118(lines 118 285) no Hoare annotation was computed. [2020-09-21 11:23:07,964 INFO L264 CegarLoopResult]: At program point L110(lines 109 288) the Hoare annotation is: (or (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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,964 INFO L271 CegarLoopResult]: At program point L267(lines 170 268) the Hoare annotation is: true [2020-09-21 11:23:07,964 INFO L268 CegarLoopResult]: For program point L160(lines 160 271) no Hoare annotation was computed. [2020-09-21 11:23:07,964 INFO L268 CegarLoopResult]: For program point L127(lines 127 282) no Hoare annotation was computed. [2020-09-21 11:23:07,964 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,965 INFO L264 CegarLoopResult]: At program point L169(lines 115 286) the Hoare annotation is: (or (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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point L136(lines 136 279) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 79 292) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point L145(lines 145 276) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point L112(lines 112 287) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point L154(lines 154 273) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L268 CegarLoopResult]: For program point L121(lines 121 284) no Hoare annotation was computed. [2020-09-21 11:23:07,965 INFO L264 CegarLoopResult]: At program point L113(lines 112 287) the Hoare annotation is: (or (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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,966 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 79 292) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 79 292) no Hoare annotation was computed. [2020-09-21 11:23:07,966 INFO L264 CegarLoopResult]: At program point L262(lines 262 263) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 263) no Hoare annotation was computed. [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point L163(lines 163 270) no Hoare annotation was computed. [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point L130(lines 130 281) no Hoare annotation was computed. [2020-09-21 11:23:07,966 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L180(lines 180 186) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L180-1(lines 175 187) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L139(lines 139 278) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L106(lines 106 289) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L197(lines 197 203) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L268 CegarLoopResult]: For program point L197-2(lines 170 266) no Hoare annotation was computed. [2020-09-21 11:23:07,967 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-09-21 11:23:07,968 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-09-21 11:23:07,968 INFO L268 CegarLoopResult]: For program point L148(lines 148 275) no Hoare annotation was computed. [2020-09-21 11:23:07,968 INFO L268 CegarLoopResult]: For program point L115(lines 115 286) no Hoare annotation was computed. [2020-09-21 11:23:07,968 INFO L268 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-09-21 11:23:07,968 INFO L264 CegarLoopResult]: At program point L107(lines 106 289) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 KbFilter_PnP_~status~0) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,968 INFO L264 CegarLoopResult]: At program point L231(lines 231 232) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-09-21 11:23:07,968 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 232) no Hoare annotation was computed. [2020-09-21 11:23:07,968 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,969 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 258) no Hoare annotation was computed. [2020-09-21 11:23:07,969 INFO L268 CegarLoopResult]: For program point L157(lines 157 272) no Hoare annotation was computed. [2020-09-21 11:23:07,969 INFO L268 CegarLoopResult]: For program point L124(lines 124 283) no Hoare annotation was computed. [2020-09-21 11:23:07,969 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,969 INFO L264 CegarLoopResult]: At program point L199(lines 199 201) the Hoare annotation is: (let ((.cse0 (<= 1 ~compRegistered~0))) (or (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (<= ~setEventCalled~0 1) .cse0 (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= 1 ~setEventCalled~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~s~0 ~NP~0) .cse0))) [2020-09-21 11:23:07,969 INFO L268 CegarLoopResult]: For program point L166(lines 166 269) no Hoare annotation was computed. [2020-09-21 11:23:07,969 INFO L268 CegarLoopResult]: For program point L199-1(lines 199 201) no Hoare annotation was computed. [2020-09-21 11:23:07,970 INFO L268 CegarLoopResult]: For program point L133(lines 133 280) no Hoare annotation was computed. [2020-09-21 11:23:07,970 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-09-21 11:23:07,970 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:07,970 INFO L268 CegarLoopResult]: For program point L241-1(lines 237 243) no Hoare annotation was computed. [2020-09-21 11:23:07,970 INFO L268 CegarLoopResult]: For program point L175(lines 175 187) no Hoare annotation was computed. [2020-09-21 11:23:07,970 INFO L268 CegarLoopResult]: For program point L142(lines 142 277) no Hoare annotation was computed. [2020-09-21 11:23:07,970 INFO L268 CegarLoopResult]: For program point L109(lines 109 288) no Hoare annotation was computed. [2020-09-21 11:23:08,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:23:08 BoogieIcfgContainer [2020-09-21 11:23:08,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:23:08,023 INFO L168 Benchmark]: Toolchain (without parser) took 27155.68 ms. Allocated memory was 147.8 MB in the beginning and 534.8 MB in the end (delta: 386.9 MB). Free memory was 103.5 MB in the beginning and 277.4 MB in the end (delta: -173.9 MB). Peak memory consumption was 371.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,024 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.33 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 177.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,025 INFO L168 Benchmark]: Boogie Preprocessor took 73.83 ms. Allocated memory is still 204.5 MB. Free memory was 177.2 MB in the beginning and 173.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,026 INFO L168 Benchmark]: RCFGBuilder took 980.89 ms. Allocated memory is still 204.5 MB. Free memory was 173.8 MB in the beginning and 102.3 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,026 INFO L168 Benchmark]: TraceAbstraction took 25428.19 ms. Allocated memory was 204.5 MB in the beginning and 534.8 MB in the end (delta: 330.3 MB). Free memory was 102.3 MB in the beginning and 277.4 MB in the end (delta: -175.0 MB). Peak memory consumption was 313.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:08,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.33 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 177.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.83 ms. Allocated memory is still 204.5 MB. Free memory was 177.2 MB in the beginning and 173.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 980.89 ms. Allocated memory is still 204.5 MB. Free memory was 173.8 MB in the beginning and 102.3 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25428.19 ms. Allocated memory was 204.5 MB in the beginning and 534.8 MB in the end (delta: 330.3 MB). Free memory was 102.3 MB in the beginning and 277.4 MB in the end (delta: -175.0 MB). Peak memory consumption was 313.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1011]: 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: 420]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || 0 <= status) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || ((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && 0 < __cil_tmp7 + 1073741803)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || (((compRegistered == 0 && s == NP) && 0 <= status) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((((!(1 <= compRegistered) || (((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && returnVal2 == 0) && 0 < __cil_tmp7 + 1073741803)) || (((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && returnVal2 + 1073741823 <= 0) && 0 < __cil_tmp7 + 1073741803)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (((((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && setEventCalled <= 1) && 0 < __cil_tmp7 + 1073741803) && 259 == returnVal2) && 1 <= setEventCalled)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) || ((s == NP && 1 <= compRegistered) && pended <= 0)) && (((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((s == NP && 1 <= compRegistered) && pended <= 0)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) || ((s == NP && 1 <= compRegistered) && pended <= 0)) && (((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((s == NP && 1 <= compRegistered) && pended <= 0)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || (((((NP + 5 <= MPR3 && compRegistered == 0) && s == NP) && 0 <= status) && NP + 4 <= MPR1) && pended <= 0)) || !(\old(pended) <= 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((!(NP + 4 <= MPR1) || !(pended <= 0)) || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= status) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus))) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && \old(customIrp) == customIrp) && s == \old(s))) && ((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || (((compRegistered == 0 && s == NP) && 0 <= status) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && setEventCalled <= 1) && 0 < __cil_tmp7 + 1073741803) && 1 <= setEventCalled)) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || ((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && 0 < __cil_tmp7 + 1073741803)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || (((compRegistered == 0 && s == NP) && 0 <= status) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || (((compRegistered == 0 && s == NP) && 0 <= status) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.9s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2609 SDtfs, 3287 SDslu, 3207 SDs, 0 SdLazy, 4906 SolverSat, 800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 138 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 84 LocationsWithAnnotation, 330 PreInvPairs, 409 NumberOfFragments, 2992 HoareAnnotationTreeSize, 330 FomulaSimplifications, 566 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 84 FomulaSimplificationsInter, 3823 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 949 NumberOfCodeBlocks, 949 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 213532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...