/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:17:22,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:17:22,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:17:22,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:17:22,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:17:22,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:17:22,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:17:22,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:17:22,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:17:22,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:17:22,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:17:22,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:17:22,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:17:22,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:17:22,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:17:22,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:17:22,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:17:22,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:17:22,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:17:22,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:17:22,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:17:22,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:17:22,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:17:22,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:17:22,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:17:22,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:17:22,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:17:22,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:17:22,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:17:22,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:17:22,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:17:22,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:17:22,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:17:22,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:17:22,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:17:22,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:17:22,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:17:22,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:17:22,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:17:22,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:17:22,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:17:22,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 00:17:22,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:17:22,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:17:22,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:17:22,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:17:22,770 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:17:22,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:17:22,770 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:17:22,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:17:22,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:17:22,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:17:22,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:17:22,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:17:22,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:17:22,773 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:17:22,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:17:22,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:17:22,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:17:22,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:17:22,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:17:22,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:17:22,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:17:22,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:17:22,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:17:22,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:17:22,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:17:22,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:17:22,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:17:22,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:17:22,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:17:22,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:17:23,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:17:23,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:17:23,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:17:23,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:17:23,122 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:17:23,123 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-15 00:17:23,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f17227bc6/f862b09565d749259d1c8556c1f567ee/FLAG7d4a366c1 [2020-10-15 00:17:23,713 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:17:23,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-15 00:17:23,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f17227bc6/f862b09565d749259d1c8556c1f567ee/FLAG7d4a366c1 [2020-10-15 00:17:24,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f17227bc6/f862b09565d749259d1c8556c1f567ee [2020-10-15 00:17:24,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:17:24,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:17:24,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:17:24,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:17:24,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:17:24,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3a7124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24, skipping insertion in model container [2020-10-15 00:17:24,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:17:24,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:17:24,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:17:24,429 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:17:24,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:17:24,597 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:17:24,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24 WrapperNode [2020-10-15 00:17:24,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:17:24,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:17:24,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:17:24,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:17:24,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... [2020-10-15 00:17:24,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:17:24,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:17:24,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:17:24,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:17:24,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:17:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:17:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:17:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-15 00:17:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-15 00:17:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-15 00:17:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-15 00:17:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-15 00:17:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-15 00:17:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:17:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-15 00:17:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-15 00:17:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:17:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-15 00:17:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:17:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:17:24,989 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:17:25,130 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-15 00:17:25,130 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-15 00:17:25,135 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:17:25,216 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-10-15 00:17:25,216 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-10-15 00:17:25,245 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:17:25,265 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-15 00:17:25,265 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-15 00:17:25,277 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:17:25,392 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-15 00:17:25,393 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-15 00:17:25,407 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:17:25,408 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 00:17:25,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:17:25 BoogieIcfgContainer [2020-10-15 00:17:25,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:17:25,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:17:25,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:17:25,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:17:25,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:17:24" (1/3) ... [2020-10-15 00:17:25,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722b5ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:17:25, skipping insertion in model container [2020-10-15 00:17:25,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:24" (2/3) ... [2020-10-15 00:17:25,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722b5ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:17:25, skipping insertion in model container [2020-10-15 00:17:25,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:17:25" (3/3) ... [2020-10-15 00:17:25,423 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-10-15 00:17:25,435 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:17:25,443 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:17:25,458 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:17:25,484 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:17:25,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:17:25,485 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:17:25,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:17:25,485 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:17:25,486 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:17:25,486 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:17:25,486 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:17:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-15 00:17:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 00:17:25,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:25,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:25,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:25,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:25,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-10-15 00:17:25,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:25,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884479059] [2020-10-15 00:17:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:26,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 00:17:26,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 00:17:26,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-15 00:17:26,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:26,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:26,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:26,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:17:26,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:17:26,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 00:17:26,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:26,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:26,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:26,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:17:26,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:26,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:26,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:26,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:26,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:26,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:26,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:17:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:26,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:26,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884479059] [2020-10-15 00:17:26,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:26,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 00:17:26,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545319200] [2020-10-15 00:17:26,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 00:17:26,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:26,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 00:17:26,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 00:17:26,691 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-10-15 00:17:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:27,335 INFO L93 Difference]: Finished difference Result 257 states and 379 transitions. [2020-10-15 00:17:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 00:17:27,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-15 00:17:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:27,350 INFO L225 Difference]: With dead ends: 257 [2020-10-15 00:17:27,351 INFO L226 Difference]: Without dead ends: 136 [2020-10-15 00:17:27,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:17:27,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-15 00:17:27,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119. [2020-10-15 00:17:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-15 00:17:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 162 transitions. [2020-10-15 00:17:27,419 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 162 transitions. Word has length 20 [2020-10-15 00:17:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:27,420 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 162 transitions. [2020-10-15 00:17:27,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 00:17:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2020-10-15 00:17:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 00:17:27,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:27,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:27,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:17:27,422 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:27,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-10-15 00:17:27,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:27,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962501263] [2020-10-15 00:17:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:27,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:27,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:27,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 00:17:27,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:27,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 00:17:27,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:27,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 00:17:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:17:27,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:27,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:27,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:17:27,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:27,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:27,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:27,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:27,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:27,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:27,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:27,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:27,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:27,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:27,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:27,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:27,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:27,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:27,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962501263] [2020-10-15 00:17:27,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:27,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 00:17:27,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610672561] [2020-10-15 00:17:27,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 00:17:27,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:27,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 00:17:27,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:17:27,879 INFO L87 Difference]: Start difference. First operand 119 states and 162 transitions. Second operand 6 states. [2020-10-15 00:17:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:28,447 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2020-10-15 00:17:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 00:17:28,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-15 00:17:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:28,450 INFO L225 Difference]: With dead ends: 217 [2020-10-15 00:17:28,450 INFO L226 Difference]: Without dead ends: 160 [2020-10-15 00:17:28,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 00:17:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-15 00:17:28,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2020-10-15 00:17:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-15 00:17:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2020-10-15 00:17:28,477 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 26 [2020-10-15 00:17:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:28,477 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2020-10-15 00:17:28,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 00:17:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2020-10-15 00:17:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 00:17:28,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:28,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:28,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:17:28,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:28,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-10-15 00:17:28,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:28,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209858608] [2020-10-15 00:17:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:28,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:28,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:28,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 00:17:28,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:28,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-15 00:17:28,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:28,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 00:17:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:17:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:28,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:28,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:28,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:28,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:28,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:28,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:28,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:28,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:28,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:28,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:28,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:28,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:28,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:28,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:28,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209858608] [2020-10-15 00:17:28,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:28,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 00:17:28,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376990829] [2020-10-15 00:17:28,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 00:17:28,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:28,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 00:17:28,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:17:28,793 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 6 states. [2020-10-15 00:17:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:29,286 INFO L93 Difference]: Finished difference Result 206 states and 259 transitions. [2020-10-15 00:17:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 00:17:29,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-15 00:17:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:29,288 INFO L225 Difference]: With dead ends: 206 [2020-10-15 00:17:29,288 INFO L226 Difference]: Without dead ends: 171 [2020-10-15 00:17:29,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 00:17:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-15 00:17:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2020-10-15 00:17:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-15 00:17:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 182 transitions. [2020-10-15 00:17:29,311 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 182 transitions. Word has length 27 [2020-10-15 00:17:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:29,312 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 182 transitions. [2020-10-15 00:17:29,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 00:17:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2020-10-15 00:17:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 00:17:29,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:29,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:29,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 00:17:29,315 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:29,315 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-10-15 00:17:29,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:29,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358867195] [2020-10-15 00:17:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:29,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:29,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 00:17:29,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 00:17:29,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:29,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-15 00:17:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:17:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:29,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:29,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:29,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:29,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:29,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:29,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:29,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:29,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:29,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:29,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:29,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:29,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:29,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:29,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:29,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:29,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:29,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:29,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358867195] [2020-10-15 00:17:29,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:29,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 00:17:29,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451939640] [2020-10-15 00:17:29,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 00:17:29,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:29,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 00:17:29,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:17:29,634 INFO L87 Difference]: Start difference. First operand 141 states and 182 transitions. Second operand 6 states. [2020-10-15 00:17:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:30,067 INFO L93 Difference]: Finished difference Result 145 states and 186 transitions. [2020-10-15 00:17:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 00:17:30,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-10-15 00:17:30,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:30,074 INFO L225 Difference]: With dead ends: 145 [2020-10-15 00:17:30,074 INFO L226 Difference]: Without dead ends: 100 [2020-10-15 00:17:30,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 00:17:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-15 00:17:30,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-10-15 00:17:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-15 00:17:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2020-10-15 00:17:30,088 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 37 [2020-10-15 00:17:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:30,089 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2020-10-15 00:17:30,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 00:17:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2020-10-15 00:17:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-15 00:17:30,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:30,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:30,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 00:17:30,091 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:30,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:30,092 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-10-15 00:17:30,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:30,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623527579] [2020-10-15 00:17:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:30,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:30,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:30,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:30,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:31,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 00:17:31,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:17:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1476 [2020-10-15 00:17:31,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:31,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:17:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 00:17:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:31,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:31,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:31,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:31,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:31,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:31,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:31,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:31,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:17:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:31,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:31,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:31,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:31,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:31,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:17:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:31,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:31,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:17:31,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:17:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:31,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:17:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:31,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623527579] [2020-10-15 00:17:31,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:31,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 00:17:31,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445780323] [2020-10-15 00:17:31,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 00:17:31,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:31,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 00:17:31,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 00:17:31,811 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand 9 states. [2020-10-15 00:17:32,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:32,470 INFO L93 Difference]: Finished difference Result 159 states and 186 transitions. [2020-10-15 00:17:32,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 00:17:32,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2020-10-15 00:17:32,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:32,472 INFO L225 Difference]: With dead ends: 159 [2020-10-15 00:17:32,472 INFO L226 Difference]: Without dead ends: 137 [2020-10-15 00:17:32,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-15 00:17:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-15 00:17:32,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 118. [2020-10-15 00:17:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-15 00:17:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-10-15 00:17:32,506 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 45 [2020-10-15 00:17:32,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:32,506 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-10-15 00:17:32,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 00:17:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-10-15 00:17:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-15 00:17:32,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:32,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:32,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 00:17:32,512 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:32,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:32,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1473664029, now seen corresponding path program 1 times [2020-10-15 00:17:32,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:32,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857748413] [2020-10-15 00:17:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:32,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:32,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:32,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 00:17:32,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:32,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-15 00:17:32,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:32,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-15 00:17:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:17:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:32,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:32,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:32,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:32,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:32,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:32,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:32,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:32,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:32,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:32,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:32,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:32,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:32,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:32,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 00:17:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:33,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:33,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:17:33,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:17:33,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 00:17:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:17:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:33,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857748413] [2020-10-15 00:17:33,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:33,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 00:17:33,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722864091] [2020-10-15 00:17:33,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 00:17:33,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:33,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 00:17:33,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 00:17:33,062 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 8 states. [2020-10-15 00:17:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:33,466 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2020-10-15 00:17:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 00:17:33,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-15 00:17:33,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:33,468 INFO L225 Difference]: With dead ends: 144 [2020-10-15 00:17:33,468 INFO L226 Difference]: Without dead ends: 111 [2020-10-15 00:17:33,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:33,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-15 00:17:33,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-15 00:17:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-15 00:17:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2020-10-15 00:17:33,490 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 45 [2020-10-15 00:17:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:33,491 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2020-10-15 00:17:33,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 00:17:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2020-10-15 00:17:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 00:17:33,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:33,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:33,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 00:17:33,496 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:33,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:33,497 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-10-15 00:17:33,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:33,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639292682] [2020-10-15 00:17:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 00:17:33,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-15 00:17:33,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-15 00:17:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:17:33,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:33,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:33,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:33,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:33,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:33,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 00:17:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:33,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:33,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:33,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 00:17:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:33,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:33,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:33,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:33,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:33,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:33,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:33,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:33,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639292682] [2020-10-15 00:17:33,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:33,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 00:17:33,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480474455] [2020-10-15 00:17:33,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 00:17:33,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:33,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 00:17:33,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 00:17:33,811 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 8 states. [2020-10-15 00:17:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:34,082 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2020-10-15 00:17:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 00:17:34,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 00:17:34,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:34,084 INFO L225 Difference]: With dead ends: 141 [2020-10-15 00:17:34,084 INFO L226 Difference]: Without dead ends: 109 [2020-10-15 00:17:34,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-15 00:17:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-15 00:17:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-15 00:17:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2020-10-15 00:17:34,098 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 51 [2020-10-15 00:17:34,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:34,098 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2020-10-15 00:17:34,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 00:17:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2020-10-15 00:17:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-15 00:17:34,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:34,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:34,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 00:17:34,100 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:34,100 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-10-15 00:17:34,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:34,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2608869] [2020-10-15 00:17:34,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 00:17:34,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-15 00:17:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:17:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:17:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 00:17:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:17:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:34,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:17:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-15 00:17:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:17:34,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:17:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 00:17:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:17:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:34,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:34,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:34,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:34,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:34,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:34,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:34,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:34,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:34,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2608869] [2020-10-15 00:17:34,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:34,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 00:17:34,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153168696] [2020-10-15 00:17:34,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:17:34,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:34,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:17:34,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:34,897 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand 11 states. [2020-10-15 00:17:35,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:35,243 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2020-10-15 00:17:35,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 00:17:35,243 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-10-15 00:17:35,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:35,245 INFO L225 Difference]: With dead ends: 119 [2020-10-15 00:17:35,245 INFO L226 Difference]: Without dead ends: 93 [2020-10-15 00:17:35,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-15 00:17:35,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-15 00:17:35,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-15 00:17:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-15 00:17:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2020-10-15 00:17:35,256 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 59 [2020-10-15 00:17:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:35,257 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2020-10-15 00:17:35,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 00:17:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2020-10-15 00:17:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-15 00:17:35,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:35,258 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] [2020-10-15 00:17:35,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 00:17:35,259 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:35,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:35,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-10-15 00:17:35,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:35,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463578832] [2020-10-15 00:17:35,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:35,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:35,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:35,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:35,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 00:17:35,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:17:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 671 [2020-10-15 00:17:35,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:35,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 00:17:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:17:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:36,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:36,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:36,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:36,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:36,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:36,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 00:17:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:17:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-15 00:17:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 00:17:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:36,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:36,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:36,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:36,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:36,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:36,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463578832] [2020-10-15 00:17:36,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:36,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:17:36,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504567095] [2020-10-15 00:17:36,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:17:36,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:36,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:17:36,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:36,253 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 12 states. [2020-10-15 00:17:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:36,628 INFO L93 Difference]: Finished difference Result 134 states and 150 transitions. [2020-10-15 00:17:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 00:17:36,629 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-15 00:17:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:36,630 INFO L225 Difference]: With dead ends: 134 [2020-10-15 00:17:36,630 INFO L226 Difference]: Without dead ends: 104 [2020-10-15 00:17:36,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-15 00:17:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-15 00:17:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2020-10-15 00:17:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-15 00:17:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2020-10-15 00:17:36,642 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 61 [2020-10-15 00:17:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:36,642 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2020-10-15 00:17:36,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 00:17:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-10-15 00:17:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-15 00:17:36,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:36,644 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] [2020-10-15 00:17:36,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 00:17:36,644 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:36,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-10-15 00:17:36,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:36,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178305447] [2020-10-15 00:17:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:36,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 00:17:38,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:17:38,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-15 00:17:38,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:17:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 00:17:38,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:38,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:17:38,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:38,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:17:38,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:38,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:17:38,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:17:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 00:17:38,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 00:17:38,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:17:38,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 00:17:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:38,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:38,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:38,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:38,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:38,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:38,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:38,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:38,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178305447] [2020-10-15 00:17:38,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:38,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 00:17:38,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427563561] [2020-10-15 00:17:38,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:17:38,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:38,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:17:38,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:38,461 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 11 states. [2020-10-15 00:17:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:39,051 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2020-10-15 00:17:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 00:17:39,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-10-15 00:17:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:39,053 INFO L225 Difference]: With dead ends: 108 [2020-10-15 00:17:39,053 INFO L226 Difference]: Without dead ends: 90 [2020-10-15 00:17:39,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-15 00:17:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-15 00:17:39,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 81. [2020-10-15 00:17:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-15 00:17:39,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2020-10-15 00:17:39,067 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 62 [2020-10-15 00:17:39,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:39,067 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2020-10-15 00:17:39,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 00:17:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-10-15 00:17:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-15 00:17:39,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:39,068 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] [2020-10-15 00:17:39,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 00:17:39,069 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1209612660, now seen corresponding path program 1 times [2020-10-15 00:17:39,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:39,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943864707] [2020-10-15 00:17:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 00:17:39,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:17:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-15 00:17:39,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-15 00:17:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:17:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:39,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:17:39,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:39,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:39,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:39,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:39,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 00:17:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:39,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:39,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:39,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:39,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:39,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:39,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:39,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:39,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:39,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:39,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:39,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943864707] [2020-10-15 00:17:39,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:39,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:17:39,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373082378] [2020-10-15 00:17:39,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:17:39,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:39,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:17:39,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:39,775 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 12 states. [2020-10-15 00:17:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:40,014 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2020-10-15 00:17:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 00:17:40,014 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-10-15 00:17:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:40,015 INFO L225 Difference]: With dead ends: 91 [2020-10-15 00:17:40,016 INFO L226 Difference]: Without dead ends: 84 [2020-10-15 00:17:40,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:17:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-15 00:17:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2020-10-15 00:17:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-15 00:17:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2020-10-15 00:17:40,026 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 62 [2020-10-15 00:17:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:40,028 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2020-10-15 00:17:40,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 00:17:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-10-15 00:17:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 00:17:40,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:40,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:40,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 00:17:40,030 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:40,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:40,030 INFO L82 PathProgramCache]: Analyzing trace with hash -352615126, now seen corresponding path program 1 times [2020-10-15 00:17:40,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:40,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134296491] [2020-10-15 00:17:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 00:17:40,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:17:40,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 648 [2020-10-15 00:17:40,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 00:17:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 00:17:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:40,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:40,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:40,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:40,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:40,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:40,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 00:17:40,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:40,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:17:40,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:17:40,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:17:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:40,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:40,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:40,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:40,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:40,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:40,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:40,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:17:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:40,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134296491] [2020-10-15 00:17:40,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:40,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 00:17:40,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822117278] [2020-10-15 00:17:40,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 00:17:40,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:40,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 00:17:40,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-15 00:17:40,963 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 9 states. [2020-10-15 00:17:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:41,143 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-10-15 00:17:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 00:17:41,144 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-15 00:17:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:41,145 INFO L225 Difference]: With dead ends: 97 [2020-10-15 00:17:41,145 INFO L226 Difference]: Without dead ends: 77 [2020-10-15 00:17:41,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:41,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-15 00:17:41,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-15 00:17:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-15 00:17:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-10-15 00:17:41,158 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 63 [2020-10-15 00:17:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:41,159 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-10-15 00:17:41,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 00:17:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-10-15 00:17:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 00:17:41,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:41,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:41,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 00:17:41,163 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:41,164 INFO L82 PathProgramCache]: Analyzing trace with hash 515565412, now seen corresponding path program 1 times [2020-10-15 00:17:41,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:41,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348810631] [2020-10-15 00:17:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:41,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:41,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 00:17:42,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:17:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1311 [2020-10-15 00:17:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 00:17:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 00:17:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:42,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:42,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:42,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:42,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:42,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:42,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:17:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:42,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 00:17:42,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 00:17:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:42,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:42,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:42,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:42,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:42,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:17:42,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:42,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:42,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348810631] [2020-10-15 00:17:42,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:42,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 00:17:42,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347486147] [2020-10-15 00:17:42,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 00:17:42,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:42,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 00:17:42,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-15 00:17:42,744 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 9 states. [2020-10-15 00:17:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:43,008 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2020-10-15 00:17:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 00:17:43,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-15 00:17:43,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:43,010 INFO L225 Difference]: With dead ends: 143 [2020-10-15 00:17:43,010 INFO L226 Difference]: Without dead ends: 136 [2020-10-15 00:17:43,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:17:43,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-15 00:17:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2020-10-15 00:17:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-15 00:17:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 144 transitions. [2020-10-15 00:17:43,030 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 144 transitions. Word has length 63 [2020-10-15 00:17:43,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:43,030 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 144 transitions. [2020-10-15 00:17:43,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 00:17:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2020-10-15 00:17:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 00:17:43,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:43,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:43,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 00:17:43,032 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:43,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2004394522, now seen corresponding path program 1 times [2020-10-15 00:17:43,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:43,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877353737] [2020-10-15 00:17:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 00:17:43,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:17:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:17:43,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:43,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:43,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:43,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:43,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 00:17:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:43,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:43,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:43,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:43,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:43,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:43,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:43,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:43,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:43,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877353737] [2020-10-15 00:17:43,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:43,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:17:43,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031729127] [2020-10-15 00:17:43,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:17:43,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:43,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:17:43,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:43,773 INFO L87 Difference]: Start difference. First operand 135 states and 144 transitions. Second operand 12 states. [2020-10-15 00:17:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:44,074 INFO L93 Difference]: Finished difference Result 186 states and 199 transitions. [2020-10-15 00:17:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 00:17:44,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-15 00:17:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:44,076 INFO L225 Difference]: With dead ends: 186 [2020-10-15 00:17:44,076 INFO L226 Difference]: Without dead ends: 133 [2020-10-15 00:17:44,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-15 00:17:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-15 00:17:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-15 00:17:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2020-10-15 00:17:44,098 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 63 [2020-10-15 00:17:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:44,099 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2020-10-15 00:17:44,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 00:17:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2020-10-15 00:17:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 00:17:44,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:44,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:44,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 00:17:44,106 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:44,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:44,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-10-15 00:17:44,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:44,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115164216] [2020-10-15 00:17:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 00:17:44,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-15 00:17:44,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:17:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 00:17:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:17:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:44,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:44,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:44,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:44,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 00:17:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 00:17:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:44,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:17:44,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:44,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:44,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:44,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:44,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:44,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:44,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:44,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115164216] [2020-10-15 00:17:44,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:44,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:17:44,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173440887] [2020-10-15 00:17:44,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:17:44,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:44,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:17:44,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:17:44,768 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 12 states. [2020-10-15 00:17:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:45,160 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2020-10-15 00:17:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 00:17:45,160 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-15 00:17:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:45,162 INFO L225 Difference]: With dead ends: 144 [2020-10-15 00:17:45,162 INFO L226 Difference]: Without dead ends: 133 [2020-10-15 00:17:45,166 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 [2020-10-15 00:17:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-15 00:17:45,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-15 00:17:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-15 00:17:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-10-15 00:17:45,188 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-10-15 00:17:45,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:45,189 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-10-15 00:17:45,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 00:17:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-10-15 00:17:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-15 00:17:45,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:45,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:17:45,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 00:17:45,191 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:45,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-10-15 00:17:45,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:45,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799041770] [2020-10-15 00:17:45,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 00:17:45,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-15 00:17:45,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-15 00:17:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:17:45,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:17:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:45,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:17:45,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:17:45,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:45,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:17:45,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 00:17:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 00:17:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 00:17:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 00:17:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:17:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:17:45,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:17:45,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:45,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:17:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:45,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:17:45,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:17:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:45,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:17:45,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 00:17:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:45,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 00:17:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 00:17:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:45,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799041770] [2020-10-15 00:17:45,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:17:45,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 00:17:45,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976038994] [2020-10-15 00:17:45,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:17:45,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:45,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:17:45,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:45,936 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 11 states. [2020-10-15 00:17:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:46,121 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2020-10-15 00:17:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 00:17:46,122 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-10-15 00:17:46,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:46,122 INFO L225 Difference]: With dead ends: 133 [2020-10-15 00:17:46,122 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 00:17:46,123 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 [2020-10-15 00:17:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 00:17:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 00:17:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 00:17:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 00:17:46,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-15 00:17:46,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:46,124 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 00:17:46,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 00:17:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 00:17:46,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 00:17:46,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 00:17:46,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 00:17:46,920 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2020-10-15 00:17:47,041 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-10-15 00:17:47,219 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-10-15 00:17:47,453 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2020-10-15 00:17:47,602 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-10-15 00:17:47,813 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-10-15 00:17:47,972 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2020-10-15 00:17:48,184 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-10-15 00:17:48,447 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-10-15 00:17:48,616 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2020-10-15 00:17:48,733 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2020-10-15 00:17:48,895 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2020-10-15 00:17:49,003 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2020-10-15 00:17:49,273 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-10-15 00:17:49,411 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 00:17:49,513 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-15 00:17:49,648 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-10-15 00:17:49,765 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2020-10-15 00:17:49,894 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-10-15 00:17:50,030 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-15 00:17:50,239 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-15 00:17:50,403 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-10-15 00:17:50,514 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2020-10-15 00:17:50,773 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2020-10-15 00:17:50,804 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-15 00:17:50,804 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-10-15 00:17:50,804 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-10-15 00:17:50,805 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-15 00:17:50,805 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-15 00:17:50,805 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-10-15 00:17:50,806 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-10-15 00:17:50,806 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-10-15 00:17:50,806 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-10-15 00:17:50,806 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (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)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,807 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-10-15 00:17:50,807 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-10-15 00:17:50,807 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~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) (= ~MPR1~0 ~NP~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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,807 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-10-15 00:17:50,807 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-10-15 00:17:50,807 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-10-15 00:17:50,807 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-10-15 00:17:50,808 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,809 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-10-15 00:17:50,809 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,810 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-10-15 00:17:50,810 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) 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)|) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,810 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-10-15 00:17:50,810 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-15 00:17:50,810 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-15 00:17:50,810 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-15 00:17:50,810 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-10-15 00:17:50,811 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-10-15 00:17:50,811 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-15 00:17:50,811 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-10-15 00:17:50,811 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-10-15 00:17:50,811 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-10-15 00:17:50,811 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,811 INFO L264 CegarLoopResult]: At program point L398(line 398) 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(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-15 00:17:50,811 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-10-15 00:17:50,812 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-10-15 00:17:50,812 INFO L264 CegarLoopResult]: At program point L444(line 444) 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)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,812 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-15 00:17:50,812 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (let ((.cse2 (<= ~setEventCalled~0 1)) (.cse3 (<= 1 ~setEventCalled~0)) (.cse1 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (and .cse1 .cse2 (<= IofCallDriver_~returnVal2~0 259) (<= 259 IofCallDriver_~returnVal2~0) .cse3) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and .cse1 (<= (+ IofCallDriver_~returnVal2~0 1073741823) 0) .cse2 .cse3) (and .cse1 (= IofCallDriver_~returnVal2~0 0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0))) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,812 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (<= ~setEventCalled~0 1) (<= 1 ~setEventCalled~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,813 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-10-15 00:17:50,813 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-10-15 00:17:50,813 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-10-15 00:17:50,813 INFO L264 CegarLoopResult]: At program point L445(line 445) 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)) .cse0 (and (<= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (<= 1 ~setEventCalled~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)))) [2020-10-15 00:17:50,813 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) 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)) .cse2 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) (or .cse2 (and .cse0 .cse1 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,813 INFO L264 CegarLoopResult]: At program point L491(line 491) 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)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)))) [2020-10-15 00:17:50,814 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-10-15 00:17:50,814 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-10-15 00:17:50,814 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,814 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-10-15 00:17:50,814 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-10-15 00:17:50,814 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (<= ~setEventCalled~0 1) (<= 1 ~setEventCalled~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-15 00:17:50,814 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-10-15 00:17:50,815 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-10-15 00:17:50,815 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0) (not (<= ~setEventCalled~0 1))) [2020-10-15 00:17:50,815 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-10-15 00:17:50,815 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0) (not (<= ~setEventCalled~0 1))) [2020-10-15 00:17:50,815 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-10-15 00:17:50,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 00:17:50,815 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= ~NP~0 |old(~NP~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~s~0 |old(~s~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~IPC~0 |old(~IPC~0)|) (= ~DC~0 |old(~DC~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) [2020-10-15 00:17:50,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse3 (= ~MPR1~0 ~NP~0)) (.cse4 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse3 .cse4))) [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-10-15 00:17:50,816 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-10-15 00:17:50,817 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse3 (= ~MPR1~0 ~NP~0)) (.cse4 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse3 .cse4) (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|)) .cse3 .cse4))) [2020-10-15 00:17:50,817 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-10-15 00:17:50,817 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0)) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse4 .cse5))) [2020-10-15 00:17:50,817 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse3 (= |old(~customIrp~0)| ~customIrp~0)) (.cse4 (= ~MPR1~0 ~NP~0)) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) (and (= ~MPR3~0 ~s~0) (<= ~setEventCalled~0 1) .cse3 (<= 1 ~setEventCalled~0)) .cse4 .cse5) (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) .cse3) .cse4 .cse5))) [2020-10-15 00:17:50,817 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0)) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|)) .cse4 .cse5))) [2020-10-15 00:17:50,817 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (= |old(~s~0)| ~NP~0)) (not (<= ~pended~0 0))) [2020-10-15 00:17:50,818 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-10-15 00:17:50,818 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|)) [2020-10-15 00:17:50,818 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-10-15 00:17:50,818 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-10-15 00:17:50,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 00:17:50,818 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-10-15 00:17:50,818 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 00:17:50,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 00:17:50,819 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse0 (<= 1 ~compRegistered~0)) (.cse6 (= ~MPR3~0 ~IPC~0)) (.cse8 (<= (+ ~NP~0 5) ~MPR3~0))) (let ((.cse1 (not (<= ~pended~0 0))) (.cse2 (not (= |old(~compRegistered~0)| 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not .cse8)) (.cse5 (= ~MPR1~0 ~NP~0)) (.cse7 (and .cse8 .cse0 (= ~s~0 |old(~s~0)|) (not .cse6)))) (and (or (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (<= ~setEventCalled~0 1) (= KbFilter_PnP_~__cil_tmp23~0 259) .cse0 (<= 1 ~setEventCalled~0)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ ~myStatus~0 1073741637) 0) .cse6 .cse7 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)))))) [2020-10-15 00:17:50,819 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-10-15 00:17:50,819 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-10-15 00:17:50,819 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-10-15 00:17:50,819 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,819 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,820 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,820 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-10-15 00:17:50,820 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-10-15 00:17:50,820 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-10-15 00:17:50,820 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,820 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (= |old(~compRegistered~0)| 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0)) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 (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)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (<= (+ ~myStatus~0 1073741637) 0) .cse5 (not (<= (+ |old(~myStatus~0)| 1073741637) 0))))) [2020-10-15 00:17:50,820 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-10-15 00:17:50,820 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-10-15 00:17:50,821 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) 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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,821 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-10-15 00:17:50,822 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-10-15 00:17:50,822 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) 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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,822 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,822 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-10-15 00:17:50,822 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) 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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,822 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-10-15 00:17:50,822 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (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)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-10-15 00:17:50,823 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-10-15 00:17:50,824 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) 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 (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,824 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-10-15 00:17:50,824 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-10-15 00:17:50,824 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-10-15 00:17:50,824 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-10-15 00:17:50,824 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (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)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-10-15 00:17:50,825 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-10-15 00:17:50,826 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (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)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,826 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-10-15 00:17:50,826 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,826 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-10-15 00:17:50,826 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-10-15 00:17:50,826 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-10-15 00:17:50,826 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (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)) (= ~MPR1~0 ~NP~0) (= ~MPR3~0 ~IPC~0)) [2020-10-15 00:17:50,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:17:50 BoogieIcfgContainer [2020-10-15 00:17:50,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 00:17:50,879 INFO L168 Benchmark]: Toolchain (without parser) took 26820.36 ms. Allocated memory was 149.4 MB in the beginning and 591.9 MB in the end (delta: 442.5 MB). Free memory was 105.3 MB in the beginning and 552.7 MB in the end (delta: -447.5 MB). Peak memory consumption was 436.6 MB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,879 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.66 ms. Allocated memory was 149.4 MB in the beginning and 206.6 MB in the end (delta: 57.1 MB). Free memory was 104.9 MB in the beginning and 182.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,881 INFO L168 Benchmark]: Boogie Preprocessor took 58.64 ms. Allocated memory is still 206.6 MB. Free memory was 182.0 MB in the beginning and 179.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,882 INFO L168 Benchmark]: RCFGBuilder took 755.76 ms. Allocated memory is still 206.6 MB. Free memory was 179.0 MB in the beginning and 133.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,883 INFO L168 Benchmark]: TraceAbstraction took 25458.52 ms. Allocated memory was 206.6 MB in the beginning and 591.9 MB in the end (delta: 385.4 MB). Free memory was 133.5 MB in the beginning and 552.7 MB in the end (delta: -419.2 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB. [2020-10-15 00:17:50,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.66 ms. Allocated memory was 149.4 MB in the beginning and 206.6 MB in the end (delta: 57.1 MB). Free memory was 104.9 MB in the beginning and 182.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.64 ms. Allocated memory is still 206.6 MB. Free memory was 182.0 MB in the beginning and 179.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 755.76 ms. Allocated memory is still 206.6 MB. Free memory was 179.0 MB in the beginning and 133.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25458.52 ms. Allocated memory was 206.6 MB in the beginning and 591.9 MB in the end (delta: 385.4 MB). Free memory was 133.5 MB in the beginning and 552.7 MB in the end (delta: -419.2 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 295]: 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(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 352]: 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(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC - 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)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || MPR1 == s) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) || MPR1 == NP) || MPR3 == IPC) && ((((((!(1 <= compRegistered) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && \old(customIrp) == customIrp) && s == \old(s))) || MPR1 == NP) || MPR3 == IPC) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((!(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)) || MPR1 == NP) || MPR3 == IPC - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((MPR1 == s && setEventCalled <= 1) && 1 <= setEventCalled)) || MPR1 == NP) || MPR3 == IPC) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) || MPR1 == NP) || MPR3 == IPC) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((!(1 <= compRegistered) || !(pended <= 0)) || ((((MPR1 == s && setEventCalled <= 1) && returnVal2 <= 259) && 259 <= returnVal2) && 1 <= setEventCalled)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (((MPR1 == s && returnVal2 + 1073741823 <= 0) && setEventCalled <= 1) && 1 <= setEventCalled)) || (MPR1 == s && returnVal2 == 0)) || MPR1 == NP) || MPR3 == IPC) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) || MPR1 == NP) || MPR3 == IPC) - InvariantResult [Line: 375]: 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(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || MPR3 == IPC - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((MPR1 == s && setEventCalled <= 1) && 1 <= setEventCalled)) || MPR1 == NP) || MPR3 == IPC) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || (((((NP + 5 <= MPR3 && compRegistered == 0) && s == NP) && !(MPR1 == NP)) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 385]: 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(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.6s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1438 SDtfs, 1841 SDslu, 2176 SDs, 0 SdLazy, 3509 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 92 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 259 PreInvPairs, 326 NumberOfFragments, 2263 HoareAnnotationTreeSize, 259 FomulaSimplifications, 3434 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 4805 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 188450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...