/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:25:12,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:25:12,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:25:12,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:25:12,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:25:12,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:25:12,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:25:12,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:25:12,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:25:12,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:25:12,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:25:12,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:25:12,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:25:12,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:25:12,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:25:12,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:25:12,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:25:12,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:25:12,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:25:12,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:25:12,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:25:12,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:25:12,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:25:12,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:25:12,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:25:12,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:25:12,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:25:12,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:25:12,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:25:12,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:25:12,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:25:12,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:25:12,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:25:12,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:25:12,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:25:12,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:25:12,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:25:12,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:25:12,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:25:12,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:25:12,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:25:12,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:25:12,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:25:12,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:25:12,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:25:12,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:25:12,646 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:25:12,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:25:12,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:25:12,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:25:12,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:25:12,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:25:12,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:25:12,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:25:12,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:25:12,649 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:25:12,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:25:12,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:25:12,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:25:12,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:25:12,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:25:12,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:25:12,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:25:12,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:25:12,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:25:12,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:25:12,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:25:12,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:25:12,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:25:12,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:25:12,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:25:12,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:25:13,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:25:13,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:25:13,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:25:13,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:25:13,110 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:25:13,111 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-09-21 12:25:13,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d01d76897/e01e7f8ec213453486e5a327f47b156b/FLAG4d3cdd601 [2020-09-21 12:25:13,754 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:25:13,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-09-21 12:25:13,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d01d76897/e01e7f8ec213453486e5a327f47b156b/FLAG4d3cdd601 [2020-09-21 12:25:14,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d01d76897/e01e7f8ec213453486e5a327f47b156b [2020-09-21 12:25:14,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:25:14,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:25:14,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:25:14,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:25:14,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:25:14,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e09f978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14, skipping insertion in model container [2020-09-21 12:25:14,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:25:14,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:25:14,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:25:14,439 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:25:14,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:25:14,609 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:25:14,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14 WrapperNode [2020-09-21 12:25:14,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:25:14,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:25:14,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:25:14,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:25:14,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... [2020-09-21 12:25:14,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:25:14,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:25:14,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:25:14,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:25:14,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:25:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:25:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:25:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-09-21 12:25:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-09-21 12:25:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-09-21 12:25:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:25:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-09-21 12:25:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-09-21 12:25:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-09-21 12:25:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-09-21 12:25:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-09-21 12:25:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-09-21 12:25:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-09-21 12:25:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:25:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-21 12:25:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:25:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-21 12:25:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-09-21 12:25:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-09-21 12:25:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-09-21 12:25:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-09-21 12:25:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-09-21 12:25:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-09-21 12:25:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:25:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:25:15,056 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 12:25:15,169 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-09-21 12:25:15,169 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-09-21 12:25:15,171 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 12:25:15,208 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-09-21 12:25:15,209 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-09-21 12:25:15,222 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 12:25:15,244 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-09-21 12:25:15,244 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-09-21 12:25:15,258 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 12:25:15,434 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-09-21 12:25:15,434 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-09-21 12:25:15,461 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:25:15,462 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:25:15,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:15 BoogieIcfgContainer [2020-09-21 12:25:15,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:25:15,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:25:15,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:25:15,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:25:15,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:25:14" (1/3) ... [2020-09-21 12:25:15,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483087d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:15, skipping insertion in model container [2020-09-21 12:25:15,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:14" (2/3) ... [2020-09-21 12:25:15,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483087d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:15, skipping insertion in model container [2020-09-21 12:25:15,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:15" (3/3) ... [2020-09-21 12:25:15,484 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-09-21 12:25:15,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:25:15,505 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:25:15,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:25:15,558 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:25:15,558 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:25:15,558 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:25:15,559 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:25:15,559 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:25:15,559 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:25:15,559 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:25:15,559 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:25:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 12:25:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-21 12:25:15,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:15,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:25:15,598 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-09-21 12:25:15,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:15,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763867418] [2020-09-21 12:25:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:16,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 12:25:16,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:25:16,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:25:16,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 12:25:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:25:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:25:16,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:16,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:17,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:17,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:17,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:17,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:17,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:25:17,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:17,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763867418] [2020-09-21 12:25:17,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:17,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:25:17,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258126313] [2020-09-21 12:25:17,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:25:17,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:17,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:25:17,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:25:17,065 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-09-21 12:25:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:17,734 INFO L93 Difference]: Finished difference Result 257 states and 379 transitions. [2020-09-21 12:25:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:25:17,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-09-21 12:25:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:17,753 INFO L225 Difference]: With dead ends: 257 [2020-09-21 12:25:17,754 INFO L226 Difference]: Without dead ends: 136 [2020-09-21 12:25:17,760 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 [2020-09-21 12:25:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-09-21 12:25:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119. [2020-09-21 12:25:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 12:25:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 162 transitions. [2020-09-21 12:25:17,841 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 162 transitions. Word has length 20 [2020-09-21 12:25:17,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:17,842 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 162 transitions. [2020-09-21 12:25:17,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:25:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2020-09-21 12:25:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:25:17,844 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:17,844 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] [2020-09-21 12:25:17,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:25:17,844 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-09-21 12:25:17,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:17,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711258503] [2020-09-21 12:25:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:18,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:18,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:25:18,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-09-21 12:25:18,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 12:25:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:25:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:18,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:18,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:18,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:18,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:25:18,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:18,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:18,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:18,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:18,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:25:18,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:18,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711258503] [2020-09-21 12:25:18,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:18,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:25:18,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263267180] [2020-09-21 12:25:18,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:25:18,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:18,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:25:18,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:25:18,451 INFO L87 Difference]: Start difference. First operand 119 states and 162 transitions. Second operand 6 states. [2020-09-21 12:25:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:19,044 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2020-09-21 12:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:25:19,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 12:25:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:19,052 INFO L225 Difference]: With dead ends: 217 [2020-09-21 12:25:19,052 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 12:25:19,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:25:19,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 12:25:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2020-09-21 12:25:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-21 12:25:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2020-09-21 12:25:19,117 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 26 [2020-09-21 12:25:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:19,117 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2020-09-21 12:25:19,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:25:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2020-09-21 12:25:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:25:19,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:19,119 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] [2020-09-21 12:25:19,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:25:19,119 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:19,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-09-21 12:25:19,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:19,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590027996] [2020-09-21 12:25:19,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:19,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:19,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:19,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 12:25:19,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-21 12:25:19,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 12:25:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:25:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:19,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:19,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:19,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:19,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:19,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:19,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:19,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:19,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:19,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:19,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:19,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:19,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:19,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:19,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:19,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:19,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:19,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:19,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:19,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590027996] [2020-09-21 12:25:19,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:19,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:25:19,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681750203] [2020-09-21 12:25:19,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:25:19,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:19,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:25:19,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:25:19,690 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 6 states. [2020-09-21 12:25:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:20,127 INFO L93 Difference]: Finished difference Result 206 states and 259 transitions. [2020-09-21 12:25:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:25:20,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-09-21 12:25:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:20,130 INFO L225 Difference]: With dead ends: 206 [2020-09-21 12:25:20,130 INFO L226 Difference]: Without dead ends: 171 [2020-09-21 12:25:20,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:25:20,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-09-21 12:25:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2020-09-21 12:25:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-21 12:25:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 182 transitions. [2020-09-21 12:25:20,156 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 182 transitions. Word has length 27 [2020-09-21 12:25:20,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:20,157 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 182 transitions. [2020-09-21 12:25:20,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:25:20,157 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2020-09-21 12:25:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 12:25:20,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:20,159 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] [2020-09-21 12:25:20,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:25:20,160 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:20,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:20,160 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-09-21 12:25:20,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:20,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201698586] [2020-09-21 12:25:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:20,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:20,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 12:25:20,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-09-21 12:25:20,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:20,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:25:20,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:25:20,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:20,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:20,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:20,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:20,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:25:20,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:20,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:20,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:20,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:20,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:25:20,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:20,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:20,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:20,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:20,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:20,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201698586] [2020-09-21 12:25:20,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:20,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:25:20,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464775517] [2020-09-21 12:25:20,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:25:20,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:20,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:25:20,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:25:20,738 INFO L87 Difference]: Start difference. First operand 141 states and 182 transitions. Second operand 6 states. [2020-09-21 12:25:21,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:21,184 INFO L93 Difference]: Finished difference Result 145 states and 186 transitions. [2020-09-21 12:25:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:25:21,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-09-21 12:25:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:21,186 INFO L225 Difference]: With dead ends: 145 [2020-09-21 12:25:21,186 INFO L226 Difference]: Without dead ends: 100 [2020-09-21 12:25:21,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:25:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-21 12:25:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-09-21 12:25:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:25:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2020-09-21 12:25:21,214 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 37 [2020-09-21 12:25:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:21,214 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2020-09-21 12:25:21,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:25:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2020-09-21 12:25:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-21 12:25:21,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:21,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:25:21,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:25:21,219 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:21,223 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-09-21 12:25:21,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:21,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994452017] [2020-09-21 12:25:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:22,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 12:25:22,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:25:22,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:25:22,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:25:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:25:22,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:22,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:22,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:22,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:25:22,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:22,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:22,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:22,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:25:22,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:22,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:22,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:22,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:22,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:22,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:22,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:22,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:22,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:22,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:22,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:25:22,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:22,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:25:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:25:22,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:22,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994452017] [2020-09-21 12:25:22,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:22,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:25:22,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454696268] [2020-09-21 12:25:22,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:25:22,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:22,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:25:22,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:25:22,510 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand 8 states. [2020-09-21 12:25:22,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:22,990 INFO L93 Difference]: Finished difference Result 128 states and 150 transitions. [2020-09-21 12:25:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:25:22,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-09-21 12:25:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:22,992 INFO L225 Difference]: With dead ends: 128 [2020-09-21 12:25:22,993 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 12:25:22,994 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 [2020-09-21 12:25:22,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 12:25:23,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-09-21 12:25:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 12:25:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2020-09-21 12:25:23,010 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 45 [2020-09-21 12:25:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:23,013 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2020-09-21 12:25:23,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:25:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2020-09-21 12:25:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:25:23,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:23,016 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] [2020-09-21 12:25:23,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:25:23,016 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-09-21 12:25:23,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:23,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245591501] [2020-09-21 12:25:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:25:23,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-21 12:25:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:25:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:25:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:23,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:23,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:23,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:25:23,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:23,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:23,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:23,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:25:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:23,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:23,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:23,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:23,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:25:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:23,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:23,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:23,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:23,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:23,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:23,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:23,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:23,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245591501] [2020-09-21 12:25:23,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:23,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:25:23,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254478101] [2020-09-21 12:25:23,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:25:23,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:23,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:25:23,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:25:23,544 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand 8 states. [2020-09-21 12:25:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:23,924 INFO L93 Difference]: Finished difference Result 121 states and 140 transitions. [2020-09-21 12:25:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:25:23,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-21 12:25:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:23,927 INFO L225 Difference]: With dead ends: 121 [2020-09-21 12:25:23,932 INFO L226 Difference]: Without dead ends: 91 [2020-09-21 12:25:23,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:25:23,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-21 12:25:23,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-09-21 12:25:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-21 12:25:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2020-09-21 12:25:23,953 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 51 [2020-09-21 12:25:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:23,957 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2020-09-21 12:25:23,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:25:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2020-09-21 12:25:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:25:23,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:23,959 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] [2020-09-21 12:25:23,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:25:23,963 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:23,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:23,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-09-21 12:25:23,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:23,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461360823] [2020-09-21 12:25:23,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:24,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:25:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:25:25,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-21 12:25:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:25:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:25,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:25,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:25,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:25,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:25,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:25:25,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:25:25,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:25:25,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:25,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:25,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:25,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:25,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:25,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:25,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:25,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:25,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461360823] [2020-09-21 12:25:25,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:25,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:25:25,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019316991] [2020-09-21 12:25:25,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:25:25,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:25,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:25:25,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:25,335 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 9 states. [2020-09-21 12:25:25,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:25,609 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2020-09-21 12:25:25,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:25:25,610 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-09-21 12:25:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:25,611 INFO L225 Difference]: With dead ends: 107 [2020-09-21 12:25:25,612 INFO L226 Difference]: Without dead ends: 102 [2020-09-21 12:25:25,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:25:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-09-21 12:25:25,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2020-09-21 12:25:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 12:25:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2020-09-21 12:25:25,623 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 59 [2020-09-21 12:25:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:25,623 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2020-09-21 12:25:25,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:25:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2020-09-21 12:25:25,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:25:25,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:25,625 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] [2020-09-21 12:25:25,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:25:25,625 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:25,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:25,626 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-09-21 12:25:25,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:25,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912461202] [2020-09-21 12:25:25,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:26,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:26,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:25:26,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-21 12:25:26,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:25:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:25:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 12:25:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:26,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:26,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:26,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:25:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:26,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:26,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:26,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:26,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:26,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:25:26,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:26,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:26,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:26,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:26,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:26,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:26,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:26,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:25:26,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:25:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:26,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:27,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:27,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:25:27,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:25:27,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:25:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:25:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:25:27,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:27,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:27,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:27,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:27,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:27,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:27,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:27,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:27,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:27,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:27,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:27,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:27,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:27,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:27,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:27,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:27,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:27,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:27,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:27,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:27,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912461202] [2020-09-21 12:25:27,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:27,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 12:25:27,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205908513] [2020-09-21 12:25:27,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:25:27,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:27,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:25:27,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:25:27,144 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 11 states. [2020-09-21 12:25:27,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:27,594 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2020-09-21 12:25:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:25:27,595 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-09-21 12:25:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:27,597 INFO L225 Difference]: With dead ends: 123 [2020-09-21 12:25:27,597 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 12:25:27,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-21 12:25:27,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 12:25:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-09-21 12:25:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 12:25:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2020-09-21 12:25:27,610 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 59 [2020-09-21 12:25:27,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:27,611 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2020-09-21 12:25:27,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:25:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2020-09-21 12:25:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:25:27,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:27,613 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] [2020-09-21 12:25:27,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:25:27,614 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:27,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-09-21 12:25:27,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:27,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050970980] [2020-09-21 12:25:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:25:28,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:25:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:25:28,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 12:25:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:25:28,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:28,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:28,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:25:28,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:28,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:28,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:28,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:28,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 12:25:28,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:25:28,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 12:25:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:25:28,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:28,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:25:28,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:28,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:28,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:28,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:28,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:28,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:29,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:29,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:29,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:25:29,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:29,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050970980] [2020-09-21 12:25:29,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:29,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:25:29,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173971290] [2020-09-21 12:25:29,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:25:29,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:29,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:25:29,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:29,015 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 9 states. [2020-09-21 12:25:29,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:29,226 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2020-09-21 12:25:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:25:29,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 12:25:29,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:29,228 INFO L225 Difference]: With dead ends: 129 [2020-09-21 12:25:29,228 INFO L226 Difference]: Without dead ends: 99 [2020-09-21 12:25:29,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:29,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-09-21 12:25:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2020-09-21 12:25:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 12:25:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2020-09-21 12:25:29,240 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 61 [2020-09-21 12:25:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:29,240 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2020-09-21 12:25:29,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:25:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-09-21 12:25:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:25:29,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:29,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:25:29,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:25:29,242 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:29,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:29,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-09-21 12:25:29,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:29,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795144155] [2020-09-21 12:25:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:25:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:25:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:25:30,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-21 12:25:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:25:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:30,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:30,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:30,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:30,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:30,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 12:25:30,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 12:25:30,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:25:30,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:25:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:25:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:30,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:25:30,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:25:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:30,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:30,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:30,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:25:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:30,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795144155] [2020-09-21 12:25:30,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:30,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:25:30,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709607666] [2020-09-21 12:25:30,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:25:30,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:30,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:25:30,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:30,657 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 9 states. [2020-09-21 12:25:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:30,905 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2020-09-21 12:25:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:25:30,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:25:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:30,907 INFO L225 Difference]: With dead ends: 112 [2020-09-21 12:25:30,907 INFO L226 Difference]: Without dead ends: 77 [2020-09-21 12:25:30,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:25:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-21 12:25:30,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-09-21 12:25:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 12:25:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2020-09-21 12:25:30,917 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 62 [2020-09-21 12:25:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:30,917 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2020-09-21 12:25:30,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:25:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2020-09-21 12:25:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:25:30,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:30,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:25:30,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:25:30,919 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:30,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:30,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1209612660, now seen corresponding path program 1 times [2020-09-21 12:25:30,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:30,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39843953] [2020-09-21 12:25:30,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:31,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:31,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:31,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:31,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:25:31,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:31,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:25:31,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:31,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 12:25:31,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:25:31,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:32,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:32,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:32,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:32,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:32,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:25:32,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:25:32,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:25:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:25:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:32,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:25:32,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:32,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:32,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:32,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:32,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:25:32,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:32,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:32,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39843953] [2020-09-21 12:25:32,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:32,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:25:32,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135529307] [2020-09-21 12:25:32,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:25:32,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:32,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:25:32,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:32,231 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 9 states. [2020-09-21 12:25:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:32,422 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2020-09-21 12:25:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:25:32,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:25:32,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:32,424 INFO L225 Difference]: With dead ends: 106 [2020-09-21 12:25:32,424 INFO L226 Difference]: Without dead ends: 76 [2020-09-21 12:25:32,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:32,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-09-21 12:25:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-09-21 12:25:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:25:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2020-09-21 12:25:32,434 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 62 [2020-09-21 12:25:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:32,435 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2020-09-21 12:25:32,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:25:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2020-09-21 12:25:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:25:32,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:32,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:25:32,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:25:32,436 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-09-21 12:25:32,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:32,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490504528] [2020-09-21 12:25:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:32,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:25:33,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:25:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:33,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:33,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:33,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:33,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:33,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:33,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:33,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:33,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:25:33,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-21 12:25:33,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 12:25:33,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:33,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:33,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:33,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:33,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:33,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:33,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:33,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:33,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:33,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:33,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:33,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490504528] [2020-09-21 12:25:33,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:33,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 12:25:33,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241859764] [2020-09-21 12:25:33,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 12:25:33,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:33,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 12:25:33,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:25:33,851 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 12 states. [2020-09-21 12:25:34,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:34,164 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-09-21 12:25:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:25:34,165 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-09-21 12:25:34,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:34,166 INFO L225 Difference]: With dead ends: 83 [2020-09-21 12:25:34,167 INFO L226 Difference]: Without dead ends: 76 [2020-09-21 12:25:34,167 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 [2020-09-21 12:25:34,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-09-21 12:25:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-09-21 12:25:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:25:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-21 12:25:34,175 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 62 [2020-09-21 12:25:34,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:34,176 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-21 12:25:34,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 12:25:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-21 12:25:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:25:34,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:34,177 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] [2020-09-21 12:25:34,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 12:25:34,178 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:34,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-09-21 12:25:34,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:34,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388482870] [2020-09-21 12:25:34,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:34,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:25:35,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:25:35,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:25:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 12:25:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:25:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:25:35,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:35,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:35,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:35,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:35,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:35,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:35,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:35,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388482870] [2020-09-21 12:25:35,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:35,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:25:35,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050169717] [2020-09-21 12:25:35,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:25:35,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:35,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:25:35,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:25:35,521 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 9 states. [2020-09-21 12:25:35,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:35,809 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2020-09-21 12:25:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:25:35,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 12:25:35,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:35,811 INFO L225 Difference]: With dead ends: 141 [2020-09-21 12:25:35,811 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:25:35,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:25:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:25:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-09-21 12:25:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 12:25:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2020-09-21 12:25:35,833 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 63 [2020-09-21 12:25:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:35,833 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2020-09-21 12:25:35,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:25:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2020-09-21 12:25:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 12:25:35,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:35,835 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] [2020-09-21 12:25:35,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 12:25:35,835 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:35,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:35,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-09-21 12:25:35,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:35,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955992227] [2020-09-21 12:25:35,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:35,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:25:36,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 618 [2020-09-21 12:25:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:25:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 12:25:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:25:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:36,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:25:36,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:36,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:36,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:25:36,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:36,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:36,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:36,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:36,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:25:36,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:36,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-21 12:25:36,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 12:25:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:36,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:36,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:25:36,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:36,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:36,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:36,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:36,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:36,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:36,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:36,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:36,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:37,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:37,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:37,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:37,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:37,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:37,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955992227] [2020-09-21 12:25:37,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:37,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 12:25:37,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898892382] [2020-09-21 12:25:37,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 12:25:37,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 12:25:37,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:25:37,026 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 12 states. [2020-09-21 12:25:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:37,431 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2020-09-21 12:25:37,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:25:37,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-09-21 12:25:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:37,434 INFO L225 Difference]: With dead ends: 144 [2020-09-21 12:25:37,434 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 12:25:37,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:25:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 12:25:37,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-09-21 12:25:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 12:25:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-09-21 12:25:37,458 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-09-21 12:25:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:37,459 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-09-21 12:25:37,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 12:25:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-09-21 12:25:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-21 12:25:37,465 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:37,465 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] [2020-09-21 12:25:37,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 12:25:37,466 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:37,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:37,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-09-21 12:25:37,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:37,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027583829] [2020-09-21 12:25:37,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:37,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:37,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 12:25:38,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-09-21 12:25:38,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-21 12:25:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:25:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:38,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:38,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:25:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:38,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:25:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:38,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:25:38,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 12:25:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:25:38,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:25:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:25:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:25:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:25:38,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:25:38,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:25:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:38,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:25:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:38,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:25:38,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:25:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:38,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:38,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:38,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:25:38,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:25:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:25:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:25:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:25:38,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027583829] [2020-09-21 12:25:38,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:25:38,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 12:25:38,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535083450] [2020-09-21 12:25:38,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:25:38,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:38,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:25:38,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:25:38,521 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 11 states. [2020-09-21 12:25:38,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:38,719 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2020-09-21 12:25:38,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:25:38,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-09-21 12:25:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:38,720 INFO L225 Difference]: With dead ends: 133 [2020-09-21 12:25:38,721 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:25:38,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:25:38,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:25:38,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:25:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:25:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:25:38,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-09-21 12:25:38,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:38,723 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:25:38,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:25:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:25:38,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:25:38,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 12:25:38,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:25:40,751 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 39 [2020-09-21 12:25:40,885 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2020-09-21 12:25:41,088 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-09-21 12:25:41,368 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2020-09-21 12:25:41,572 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-09-21 12:25:41,789 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-09-21 12:25:41,968 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2020-09-21 12:25:42,193 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2020-09-21 12:25:42,455 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21 [2020-09-21 12:25:42,606 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 35 [2020-09-21 12:25:42,768 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2020-09-21 12:25:42,953 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2020-09-21 12:25:43,057 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2020-09-21 12:25:43,325 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-09-21 12:25:43,458 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2020-09-21 12:25:43,600 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-09-21 12:25:43,729 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-09-21 12:25:43,883 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2020-09-21 12:25:44,005 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-09-21 12:25:44,180 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-09-21 12:25:44,424 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-09-21 12:25:44,606 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-09-21 12:25:44,729 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38 [2020-09-21 12:25:44,990 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2020-09-21 12:25:45,031 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 12:25:45,032 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-09-21 12:25:45,032 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-09-21 12:25:45,032 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 12:25:45,032 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-09-21 12:25:45,033 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (= |old(~pended~0)| 1) (not (= ~NP~0 |old(~s~0)|)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-09-21 12:25:45,033 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-09-21 12:25:45,034 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)|) (= ~s~0 ~NP~0) (<= ~compRegistered~0 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)|) (<= 0 ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,034 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-09-21 12:25:45,034 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-09-21 12:25:45,034 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-09-21 12:25:45,034 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-09-21 12:25:45,034 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-09-21 12:25:45,034 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (not (= ~pended~0 1))) [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-09-21 12:25:45,035 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (not (= ~pended~0 1))) [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-09-21 12:25:45,035 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 0 ~compRegistered~0) (= ~s~0 ~NP~0) (<= ~compRegistered~0 0) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~pended~0 1))) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,035 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~MPR3~0 ~s~0) (<= 0 ~compRegistered~0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~compRegistered~0 0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-09-21 12:25:45,036 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~Executive~0)| ~Executive~0) (<= ~compRegistered~0 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)|) (<= 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)|))) [2020-09-21 12:25:45,036 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-09-21 12:25:45,037 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (not (= ~pended~0 1))) [2020-09-21 12:25:45,037 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-09-21 12:25:45,037 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (not (= ~pended~0 1))) [2020-09-21 12:25:45,037 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-09-21 12:25:45,037 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-09-21 12:25:45,037 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|)) (not (= ~pended~0 1))) [2020-09-21 12:25:45,038 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-09-21 12:25:45,038 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-09-21 12:25:45,038 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-09-21 12:25:45,038 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 0 ~compRegistered~0) (= ~s~0 ~NP~0) (<= ~compRegistered~0 0) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~pended~0 1))) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,038 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,038 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-09-21 12:25:45,039 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-09-21 12:25:45,039 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|))) (or .cse0 (not (<= 0 ~compRegistered~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))))) [2020-09-21 12:25:45,039 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-09-21 12:25:45,039 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (<= 0 ~compRegistered~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))) (let ((.cse1 (= ~MPR1~0 ~s~0)) (.cse2 (= ~setEventCalled~0 1))) (or (and .cse1 .cse2 (= (+ IofCallDriver_~returnVal2~0 1073741823) 0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and .cse1 .cse2 (= IofCallDriver_~returnVal2~0 0)) (and .cse1 .cse2 (= 259 IofCallDriver_~returnVal2~0)))))) [2020-09-21 12:25:45,040 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (<= 0 ~compRegistered~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,040 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-09-21 12:25:45,040 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-09-21 12:25:45,040 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-09-21 12:25:45,040 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|))) (or .cse0 (not (<= 0 ~compRegistered~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))))) [2020-09-21 12:25:45,040 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse2 (= ~setEventCalled~0 |old(~setEventCalled~0)|))) (and (or .cse0 (not (<= 0 ~compRegistered~0)) (and .cse1 .cse2 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (and .cse1 .cse2 (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,041 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))) (or .cse0 (not (<= 0 ~compRegistered~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))))) [2020-09-21 12:25:45,041 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-09-21 12:25:45,041 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-09-21 12:25:45,041 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (<= 0 ~compRegistered~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,041 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-09-21 12:25:45,042 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-09-21 12:25:45,042 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (<= 0 ~compRegistered~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (<= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,042 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-09-21 12:25:45,042 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-09-21 12:25:45,042 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (not (= ~NP~0 |old(~s~0)|))) [2020-09-21 12:25:45,043 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-09-21 12:25:45,043 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|)) [2020-09-21 12:25:45,043 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-09-21 12:25:45,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:25:45,043 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)|)) [2020-09-21 12:25:45,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:25:45,044 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|))))) [2020-09-21 12:25:45,044 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-09-21 12:25:45,044 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-09-21 12:25:45,044 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-09-21 12:25:45,044 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-09-21 12:25:45,045 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-09-21 12:25:45,045 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-09-21 12:25:45,045 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|))))) [2020-09-21 12:25:45,045 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-09-21 12:25:45,045 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (= ~s~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,046 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|))))) [2020-09-21 12:25:45,046 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~pended~0 1)) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (= ~s~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|))))) [2020-09-21 12:25:45,046 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~s~0)| ~NP~0))) [2020-09-21 12:25:45,046 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-09-21 12:25:45,046 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|)) [2020-09-21 12:25:45,047 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-09-21 12:25:45,047 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-09-21 12:25:45,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:25:45,047 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (<= 0 ~compRegistered~0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~compRegistered~0 0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) [2020-09-21 12:25:45,047 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:25:45,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:25:45,048 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse6 (= ~setEventCalled~0 1)) (.cse0 (= ~pended~0 1)) (.cse7 (<= 1 ~compRegistered~0)) (.cse8 (<= (+ ~NP~0 4) ~MPR1~0))) (let ((.cse1 (not .cse8)) (.cse2 (and .cse6 (= ~s~0 ~NP~0) .cse8 (not .cse0) .cse7)) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= |old(~compRegistered~0)| 0))) (.cse5 (not (<= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0))) (or .cse0 .cse1 (and (= ~MPR3~0 ~s~0) .cse6 (= KbFilter_PnP_~status~0 259) (= KbFilter_PnP_~__cil_tmp23~0 259) .cse7) .cse2 .cse3 .cse4 .cse5)))) [2020-09-21 12:25:45,048 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-09-21 12:25:45,048 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-09-21 12:25:45,056 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-09-21 12:25:45,056 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (= ~s~0 ~NP~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,056 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,056 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,057 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-09-21 12:25:45,057 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-09-21 12:25:45,057 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-09-21 12:25:45,057 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,057 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (not (<= |old(~compRegistered~0)| 0))) (.cse4 (not (<= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))))) [2020-09-21 12:25:45,057 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-09-21 12:25:45,058 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-09-21 12:25:45,059 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-09-21 12:25:45,059 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,059 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-09-21 12:25:45,059 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-09-21 12:25:45,059 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,059 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,059 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-09-21 12:25:45,060 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,060 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-09-21 12:25:45,060 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-09-21 12:25:45,060 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-09-21 12:25:45,060 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-09-21 12:25:45,060 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (<= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0) (<= ~compRegistered~0 0)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,060 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-09-21 12:25:45,061 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (<= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0) (<= ~compRegistered~0 0)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-09-21 12:25:45,062 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-09-21 12:25:45,063 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (<= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0) (<= ~compRegistered~0 0)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,063 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-09-21 12:25:45,063 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,063 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-09-21 12:25:45,063 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-09-21 12:25:45,063 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-09-21 12:25:45,063 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (= ~pended~0 1) (not (<= (+ ~NP~0 4) ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (<= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= |old(~compRegistered~0)| 0)) (not (<= 0 |old(~compRegistered~0)|))) [2020-09-21 12:25:45,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:25:45 BoogieIcfgContainer [2020-09-21 12:25:45,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:25:45,105 INFO L168 Benchmark]: Toolchain (without parser) took 31023.88 ms. Allocated memory was 141.0 MB in the beginning and 519.0 MB in the end (delta: 378.0 MB). Free memory was 103.6 MB in the beginning and 481.3 MB in the end (delta: -377.7 MB). Peak memory consumption was 370.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,106 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.65 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.9 MB in the beginning and 179.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,107 INFO L168 Benchmark]: Boogie Preprocessor took 84.74 ms. Allocated memory is still 204.5 MB. Free memory was 179.7 MB in the beginning and 177.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,108 INFO L168 Benchmark]: RCFGBuilder took 777.76 ms. Allocated memory is still 204.5 MB. Free memory was 177.1 MB in the beginning and 131.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,109 INFO L168 Benchmark]: TraceAbstraction took 29627.69 ms. Allocated memory was 204.5 MB in the beginning and 519.0 MB in the end (delta: 314.6 MB). Free memory was 131.3 MB in the beginning and 481.3 MB in the end (delta: -350.0 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:25:45,113 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 523.65 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.9 MB in the beginning and 179.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.74 ms. Allocated memory is still 204.5 MB. Free memory was 179.7 MB in the beginning and 177.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 777.76 ms. Allocated memory is still 204.5 MB. Free memory was 177.1 MB in the beginning and 131.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29627.69 ms. Allocated memory was 204.5 MB in the beginning and 519.0 MB in the end (delta: 314.6 MB). Free memory was 131.3 MB in the beginning and 481.3 MB in the end (delta: -350.0 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered))) || !(pended == 1) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered))) || !(pended == 1) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered))) || !(pended == 1) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(NP + 4 <= MPR1)) || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= compRegistered) && setEventCalled == \old(setEventCalled)) && compRegistered <= 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(NP + 4 <= MPR1)) || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= compRegistered) && setEventCalled == \old(setEventCalled)) && compRegistered <= 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(0 <= compRegistered)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered <= 0)) && ((((!(1 <= compRegistered) || (MPR1 == s && setEventCalled == 1)) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) || ((setEventCalled == \old(setEventCalled) && \old(customIrp) == customIrp) && s == \old(s))) && ((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || !(MPR3 == \old(s))) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(NP + 4 <= MPR1)) || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= compRegistered) && setEventCalled == \old(setEventCalled)) && compRegistered <= 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(0 <= compRegistered)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered <= 0)) && ((((!(1 <= compRegistered) || (MPR1 == s && setEventCalled == 1)) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(MPR3 == \old(s))) && (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(NP == \old(s))) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(0 <= compRegistered)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered <= 0)) && ((((((((MPR1 == s && setEventCalled == 1) && returnVal2 + 1073741823 == 0) || !(1 <= compRegistered)) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) || ((MPR1 == s && setEventCalled == 1) && returnVal2 == 0)) || ((MPR1 == s && setEventCalled == 1) && 259 == returnVal2)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(MPR3 == \old(s))) && (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(NP == \old(s))) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered))) || !(pended == 1) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(NP + 4 <= MPR1)) || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= compRegistered) && setEventCalled == \old(setEventCalled)) && compRegistered <= 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((pended == 1 || !(0 <= compRegistered)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered <= 0)) && ((((!(1 <= compRegistered) || (MPR1 == s && setEventCalled == 1)) || pended == 1) || !(NP + 4 <= MPR1)) || !(NP == \old(s))) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || ((((0 <= compRegistered && s == NP) && compRegistered <= 0) && NP + 4 <= MPR1) && !(pended == 1))) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered)) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(compRegistered) <= 0)) || !(0 <= \old(compRegistered))) || !(pended == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.1s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1367 SDtfs, 1480 SDslu, 1739 SDs, 0 SdLazy, 2946 SolverSat, 478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.8s 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: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 252 PreInvPairs, 317 NumberOfFragments, 2063 HoareAnnotationTreeSize, 252 FomulaSimplifications, 2962 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3811 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 771 NumberOfCodeBlocks, 771 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 165407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...