/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:51:56,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:51:56,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:51:56,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:51:56,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:51:56,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:51:56,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:51:56,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:51:56,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:51:56,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:51:56,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:51:56,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:51:56,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:51:56,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:51:56,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:51:56,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:51:56,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:51:56,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:51:56,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:51:56,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:51:56,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:51:56,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:51:56,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:51:56,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:51:56,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:51:56,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:51:56,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:51:56,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:51:56,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:51:56,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:51:56,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:51:56,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:51:56,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:51:56,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:51:56,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:51:56,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:51:56,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:51:56,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:51:56,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:51:56,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:51:56,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:51:56,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 02:51:56,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:51:56,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:51:56,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:51:56,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:51:56,531 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:51:56,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:51:56,532 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:51:56,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:51:56,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:51:56,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:51:56,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:51:56,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:51:56,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:51:56,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:51:56,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:51:56,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:51:56,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:51:56,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:51:56,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:51:56,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:51:56,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:51:56,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:51:56,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:51:56,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:51:56,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:51:56,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:51:56,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:51:56,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:51:56,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:51:56,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:51:56,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:51:56,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:51:56,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:51:56,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:51:56,867 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:51:56,868 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-15 02:51:56,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/336134eb9/20a590cc60164e65bf9baf38a8b8d957/FLAGa4b45ad50 [2020-10-15 02:51:57,517 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:51:57,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-15 02:51:57,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/336134eb9/20a590cc60164e65bf9baf38a8b8d957/FLAGa4b45ad50 [2020-10-15 02:51:57,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/336134eb9/20a590cc60164e65bf9baf38a8b8d957 [2020-10-15 02:51:57,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:51:57,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:51:57,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:51:57,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:51:57,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:51:57,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:57" (1/1) ... [2020-10-15 02:51:57,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684fb7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:57, skipping insertion in model container [2020-10-15 02:51:57,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:57" (1/1) ... [2020-10-15 02:51:57,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:51:57,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:51:58,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:51:58,312 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:51:58,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:51:58,406 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:51:58,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58 WrapperNode [2020-10-15 02:51:58,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:51:58,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:51:58,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:51:58,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:51:58,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... [2020-10-15 02:51:58,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:51:58,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:51:58,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:51:58,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:51:58,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:51:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:51:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:51:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-15 02:51:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-15 02:51:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-15 02:51:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-15 02:51:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-15 02:51:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:51:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:51:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:51:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-15 02:51:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-15 02:51:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:51:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:51:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:51:59,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:51:59,365 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-15 02:51:59,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:59 BoogieIcfgContainer [2020-10-15 02:51:59,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:51:59,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:51:59,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:51:59,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:51:59,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:51:57" (1/3) ... [2020-10-15 02:51:59,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ca0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:59, skipping insertion in model container [2020-10-15 02:51:59,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:58" (2/3) ... [2020-10-15 02:51:59,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ca0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:59, skipping insertion in model container [2020-10-15 02:51:59,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:59" (3/3) ... [2020-10-15 02:51:59,381 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-15 02:51:59,392 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:51:59,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:51:59,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:51:59,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:51:59,439 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:51:59,439 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:51:59,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:51:59,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:51:59,440 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:51:59,440 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:51:59,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:51:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2020-10-15 02:51:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 02:51:59,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:51:59,477 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] [2020-10-15 02:51:59,477 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:51:59,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:51:59,483 INFO L82 PathProgramCache]: Analyzing trace with hash -272429942, now seen corresponding path program 1 times [2020-10-15 02:51:59,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:51:59,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108405400] [2020-10-15 02:51:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:51:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:51:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:00,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:00,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 02:52:00,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-15 02:52:00,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:00,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 02:52:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:52:00,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:00,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:00,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:00,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:00,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:52:00,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:00,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:00,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108405400] [2020-10-15 02:52:00,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:00,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:00,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437509869] [2020-10-15 02:52:00,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:00,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:00,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:00,280 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 5 states. [2020-10-15 02:52:01,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:01,834 INFO L93 Difference]: Finished difference Result 427 states and 699 transitions. [2020-10-15 02:52:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:01,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-15 02:52:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:01,853 INFO L225 Difference]: With dead ends: 427 [2020-10-15 02:52:01,853 INFO L226 Difference]: Without dead ends: 219 [2020-10-15 02:52:01,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-15 02:52:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2020-10-15 02:52:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-15 02:52:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 316 transitions. [2020-10-15 02:52:01,950 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 316 transitions. Word has length 21 [2020-10-15 02:52:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:01,950 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 316 transitions. [2020-10-15 02:52:01,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 316 transitions. [2020-10-15 02:52:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 02:52:01,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:01,954 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] [2020-10-15 02:52:01,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:52:01,954 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:01,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:01,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1128326914, now seen corresponding path program 1 times [2020-10-15 02:52:01,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:01,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252889113] [2020-10-15 02:52:01,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:02,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:02,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:02,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:52:02,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-15 02:52:02,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:02,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:52:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:02,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:02,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:02,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:02,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:02,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:02,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:02,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252889113] [2020-10-15 02:52:02,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:02,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:02,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713968162] [2020-10-15 02:52:02,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:02,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:02,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:02,656 INFO L87 Difference]: Start difference. First operand 213 states and 316 transitions. Second operand 5 states. [2020-10-15 02:52:04,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:04,044 INFO L93 Difference]: Finished difference Result 443 states and 667 transitions. [2020-10-15 02:52:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:04,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 02:52:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:04,048 INFO L225 Difference]: With dead ends: 443 [2020-10-15 02:52:04,048 INFO L226 Difference]: Without dead ends: 239 [2020-10-15 02:52:04,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:04,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-15 02:52:04,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 232. [2020-10-15 02:52:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-15 02:52:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 340 transitions. [2020-10-15 02:52:04,087 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 340 transitions. Word has length 22 [2020-10-15 02:52:04,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:04,088 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 340 transitions. [2020-10-15 02:52:04,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 340 transitions. [2020-10-15 02:52:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 02:52:04,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:04,090 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:04,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:52:04,091 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:04,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:04,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1239992259, now seen corresponding path program 1 times [2020-10-15 02:52:04,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:04,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406312382] [2020-10-15 02:52:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:04,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:52:04,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:52:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-15 02:52:04,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:04,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 02:52:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:04,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:04,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:04,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:04,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:04,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:04,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:04,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:04,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:04,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:04,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:04,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:04,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:52:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:04,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406312382] [2020-10-15 02:52:04,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:04,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-15 02:52:04,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355490355] [2020-10-15 02:52:04,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 02:52:04,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:04,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 02:52:04,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:52:04,877 INFO L87 Difference]: Start difference. First operand 232 states and 340 transitions. Second operand 6 states. [2020-10-15 02:52:05,126 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:52:06,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:06,729 INFO L93 Difference]: Finished difference Result 530 states and 791 transitions. [2020-10-15 02:52:06,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:06,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-15 02:52:06,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:06,739 INFO L225 Difference]: With dead ends: 530 [2020-10-15 02:52:06,740 INFO L226 Difference]: Without dead ends: 317 [2020-10-15 02:52:06,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:52:06,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-15 02:52:06,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 263. [2020-10-15 02:52:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-10-15 02:52:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 382 transitions. [2020-10-15 02:52:06,811 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 382 transitions. Word has length 30 [2020-10-15 02:52:06,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:06,811 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 382 transitions. [2020-10-15 02:52:06,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 02:52:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 382 transitions. [2020-10-15 02:52:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 02:52:06,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:06,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:06,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:52:06,818 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:06,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash -547971706, now seen corresponding path program 1 times [2020-10-15 02:52:06,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:06,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556376998] [2020-10-15 02:52:06,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:06,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:06,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:07,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 02:52:07,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-15 02:52:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:07,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:52:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:07,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:07,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:07,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:07,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:07,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:07,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:07,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:07,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:07,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:07,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:07,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:52:07,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:52:07,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:07,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:52:07,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:07,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556376998] [2020-10-15 02:52:07,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:07,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 02:52:07,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104457447] [2020-10-15 02:52:07,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:07,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:07,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:07,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:07,529 INFO L87 Difference]: Start difference. First operand 263 states and 382 transitions. Second operand 5 states. [2020-10-15 02:52:07,776 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:52:08,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:08,896 INFO L93 Difference]: Finished difference Result 516 states and 756 transitions. [2020-10-15 02:52:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:08,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-15 02:52:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:08,901 INFO L225 Difference]: With dead ends: 516 [2020-10-15 02:52:08,902 INFO L226 Difference]: Without dead ends: 264 [2020-10-15 02:52:08,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-15 02:52:08,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 260. [2020-10-15 02:52:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-15 02:52:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 378 transitions. [2020-10-15 02:52:08,935 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 378 transitions. Word has length 36 [2020-10-15 02:52:08,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:08,935 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 378 transitions. [2020-10-15 02:52:08,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 378 transitions. [2020-10-15 02:52:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 02:52:08,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:08,937 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:08,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:52:08,937 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:08,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1587755011, now seen corresponding path program 1 times [2020-10-15 02:52:08,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:08,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294413680] [2020-10-15 02:52:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:08,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:09,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:09,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 02:52:09,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:09,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-15 02:52:09,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:09,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 02:52:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:52:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:09,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:09,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:09,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:09,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:09,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:09,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:09,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:09,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:52:09,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:09,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:09,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:09,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:09,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:09,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 02:52:09,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294413680] [2020-10-15 02:52:09,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:09,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:09,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135035872] [2020-10-15 02:52:09,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:09,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:09,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:09,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:09,553 INFO L87 Difference]: Start difference. First operand 260 states and 378 transitions. Second operand 5 states. [2020-10-15 02:52:10,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:10,828 INFO L93 Difference]: Finished difference Result 508 states and 754 transitions. [2020-10-15 02:52:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:10,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-15 02:52:10,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:10,833 INFO L225 Difference]: With dead ends: 508 [2020-10-15 02:52:10,835 INFO L226 Difference]: Without dead ends: 273 [2020-10-15 02:52:10,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:10,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-15 02:52:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 267. [2020-10-15 02:52:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-15 02:52:10,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 386 transitions. [2020-10-15 02:52:10,882 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 386 transitions. Word has length 38 [2020-10-15 02:52:10,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:10,883 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 386 transitions. [2020-10-15 02:52:10,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 386 transitions. [2020-10-15 02:52:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-15 02:52:10,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:10,885 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] [2020-10-15 02:52:10,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:52:10,886 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:10,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:10,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1537435810, now seen corresponding path program 1 times [2020-10-15 02:52:10,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:10,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548244597] [2020-10-15 02:52:10,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:10,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:10,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:11,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:11,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:52:11,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-15 02:52:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:11,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-15 02:52:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:11,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:11,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:11,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:11,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:11,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:52:11,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:11,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:11,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:11,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:11,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:11,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:11,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:11,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:11,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:11,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:11,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:11,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:11,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:11,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:11,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:11,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:11,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:11,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:11,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:11,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:11,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:11,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:11,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:11,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:11,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:11,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548244597] [2020-10-15 02:52:11,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:11,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:11,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168732871] [2020-10-15 02:52:11,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:11,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:11,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:11,500 INFO L87 Difference]: Start difference. First operand 267 states and 386 transitions. Second operand 5 states. [2020-10-15 02:52:12,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:12,629 INFO L93 Difference]: Finished difference Result 450 states and 657 transitions. [2020-10-15 02:52:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:52:12,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-15 02:52:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:12,633 INFO L225 Difference]: With dead ends: 450 [2020-10-15 02:52:12,633 INFO L226 Difference]: Without dead ends: 277 [2020-10-15 02:52:12,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-15 02:52:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 271. [2020-10-15 02:52:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-15 02:52:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 389 transitions. [2020-10-15 02:52:12,659 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 389 transitions. Word has length 41 [2020-10-15 02:52:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:12,659 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 389 transitions. [2020-10-15 02:52:12,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 389 transitions. [2020-10-15 02:52:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 02:52:12,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:12,661 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:12,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:52:12,661 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:12,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1351352920, now seen corresponding path program 1 times [2020-10-15 02:52:12,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:12,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074515259] [2020-10-15 02:52:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:12,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:12,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 02:52:13,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-15 02:52:13,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 02:52:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:52:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:13,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:13,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:13,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:13,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:13,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:13,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:13,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:13,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:13,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:13,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:13,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:13,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:13,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:13,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074515259] [2020-10-15 02:52:13,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:13,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:52:13,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671860465] [2020-10-15 02:52:13,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:52:13,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:52:13,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:13,356 INFO L87 Difference]: Start difference. First operand 271 states and 389 transitions. Second operand 7 states. [2020-10-15 02:52:14,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:14,757 INFO L93 Difference]: Finished difference Result 470 states and 679 transitions. [2020-10-15 02:52:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:14,758 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-10-15 02:52:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:14,761 INFO L225 Difference]: With dead ends: 470 [2020-10-15 02:52:14,761 INFO L226 Difference]: Without dead ends: 293 [2020-10-15 02:52:14,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:52:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-15 02:52:14,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 276. [2020-10-15 02:52:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-15 02:52:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 393 transitions. [2020-10-15 02:52:14,787 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 393 transitions. Word has length 53 [2020-10-15 02:52:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:14,787 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 393 transitions. [2020-10-15 02:52:14,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:52:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 393 transitions. [2020-10-15 02:52:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 02:52:14,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:14,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:14,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:52:14,789 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1111059807, now seen corresponding path program 1 times [2020-10-15 02:52:14,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:14,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703481725] [2020-10-15 02:52:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:14,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:14,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:14,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:15,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:16,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:18,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:52:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:52:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3967 [2020-10-15 02:52:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:18,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 02:52:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:18,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:18,941 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:52:18,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:18,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:18,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:52:18,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:18,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:18,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:18,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:18,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:52:18,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:18,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:18,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:18,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:18,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:19,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:19,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:19,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:19,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:19,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:52:19,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:52:19,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:19,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:52:19,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:52:19,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703481725] [2020-10-15 02:52:19,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:19,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 02:52:19,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939357586] [2020-10-15 02:52:19,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:19,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:19,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:19,093 INFO L87 Difference]: Start difference. First operand 276 states and 393 transitions. Second operand 5 states. [2020-10-15 02:52:20,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:20,444 INFO L93 Difference]: Finished difference Result 520 states and 746 transitions. [2020-10-15 02:52:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:20,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-15 02:52:20,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:20,449 INFO L225 Difference]: With dead ends: 520 [2020-10-15 02:52:20,450 INFO L226 Difference]: Without dead ends: 269 [2020-10-15 02:52:20,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-15 02:52:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 265. [2020-10-15 02:52:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-10-15 02:52:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 376 transitions. [2020-10-15 02:52:20,478 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 376 transitions. Word has length 52 [2020-10-15 02:52:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:20,481 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 376 transitions. [2020-10-15 02:52:20,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 376 transitions. [2020-10-15 02:52:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-15 02:52:20,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:20,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:20,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:52:20,483 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:20,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:20,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1960953568, now seen corresponding path program 1 times [2020-10-15 02:52:20,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:20,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714491294] [2020-10-15 02:52:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:20,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:20,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:20,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-15 02:52:23,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:52:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2654 [2020-10-15 02:52:23,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-15 02:52:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:52:23,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:23,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:23,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:23,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:23,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:23,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:23,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:23,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:23,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:23,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:23,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:23,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:23,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:23,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:23,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:23,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:23,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 02:52:23,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714491294] [2020-10-15 02:52:23,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:23,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:23,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81406931] [2020-10-15 02:52:23,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:23,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:23,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:23,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:23,349 INFO L87 Difference]: Start difference. First operand 265 states and 376 transitions. Second operand 5 states. [2020-10-15 02:52:24,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:24,549 INFO L93 Difference]: Finished difference Result 517 states and 741 transitions. [2020-10-15 02:52:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:24,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-15 02:52:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:24,553 INFO L225 Difference]: With dead ends: 517 [2020-10-15 02:52:24,554 INFO L226 Difference]: Without dead ends: 290 [2020-10-15 02:52:24,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-10-15 02:52:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 283. [2020-10-15 02:52:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-15 02:52:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 397 transitions. [2020-10-15 02:52:24,596 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 397 transitions. Word has length 56 [2020-10-15 02:52:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:24,597 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 397 transitions. [2020-10-15 02:52:24,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 397 transitions. [2020-10-15 02:52:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 02:52:24,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:24,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:24,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:52:24,598 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:24,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:24,599 INFO L82 PathProgramCache]: Analyzing trace with hash 42278757, now seen corresponding path program 1 times [2020-10-15 02:52:24,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:24,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987903956] [2020-10-15 02:52:24,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-15 02:52:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:52:25,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:25,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:25,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:25,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:25,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:25,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:25,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:25,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:25,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:25,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:25,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:25,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:25,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:25,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:25,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:25,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:25,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:25,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:25,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:25,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:25,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:25,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:25,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-15 02:52:25,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987903956] [2020-10-15 02:52:25,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:25,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:25,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880006957] [2020-10-15 02:52:25,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:25,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:25,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:25,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:25,514 INFO L87 Difference]: Start difference. First operand 283 states and 397 transitions. Second operand 5 states. [2020-10-15 02:52:26,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:26,580 INFO L93 Difference]: Finished difference Result 524 states and 745 transitions. [2020-10-15 02:52:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:52:26,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-10-15 02:52:26,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:26,585 INFO L225 Difference]: With dead ends: 524 [2020-10-15 02:52:26,585 INFO L226 Difference]: Without dead ends: 281 [2020-10-15 02:52:26,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-15 02:52:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 277. [2020-10-15 02:52:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-15 02:52:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 383 transitions. [2020-10-15 02:52:26,610 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 383 transitions. Word has length 57 [2020-10-15 02:52:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:26,611 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 383 transitions. [2020-10-15 02:52:26,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 383 transitions. [2020-10-15 02:52:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 02:52:26,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:26,612 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:26,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:52:26,612 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:26,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:26,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1315895111, now seen corresponding path program 1 times [2020-10-15 02:52:26,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:26,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980570808] [2020-10-15 02:52:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:26,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:26,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 02:52:26,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:26,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-15 02:52:26,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:26,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-15 02:52:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:52:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:27,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:27,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:27,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:27,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:27,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:27,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:27,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:27,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:27,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:27,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:27,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:27,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:27,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:52:27,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980570808] [2020-10-15 02:52:27,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:27,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:52:27,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995218080] [2020-10-15 02:52:27,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:52:27,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:27,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:52:27,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:27,218 INFO L87 Difference]: Start difference. First operand 277 states and 383 transitions. Second operand 8 states. [2020-10-15 02:52:28,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:28,564 INFO L93 Difference]: Finished difference Result 454 states and 635 transitions. [2020-10-15 02:52:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:28,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-15 02:52:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:28,568 INFO L225 Difference]: With dead ends: 454 [2020-10-15 02:52:28,568 INFO L226 Difference]: Without dead ends: 278 [2020-10-15 02:52:28,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:52:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-15 02:52:28,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 276. [2020-10-15 02:52:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-15 02:52:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 378 transitions. [2020-10-15 02:52:28,590 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 378 transitions. Word has length 66 [2020-10-15 02:52:28,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:28,591 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 378 transitions. [2020-10-15 02:52:28,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:52:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 378 transitions. [2020-10-15 02:52:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-15 02:52:28,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:28,592 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:28,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:52:28,593 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:28,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:28,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1122225441, now seen corresponding path program 1 times [2020-10-15 02:52:28,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:28,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003972818] [2020-10-15 02:52:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:28,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:29,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-15 02:52:31,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:52:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2838 [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:31,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:31,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:31,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:31,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:31,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:52:31,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:31,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:52:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:52:31,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:31,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-15 02:52:31,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003972818] [2020-10-15 02:52:31,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:31,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:31,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926059362] [2020-10-15 02:52:31,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:31,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:31,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:31,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:31,627 INFO L87 Difference]: Start difference. First operand 276 states and 378 transitions. Second operand 5 states. [2020-10-15 02:52:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:32,696 INFO L93 Difference]: Finished difference Result 496 states and 698 transitions. [2020-10-15 02:52:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:52:32,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-10-15 02:52:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:32,699 INFO L225 Difference]: With dead ends: 496 [2020-10-15 02:52:32,699 INFO L226 Difference]: Without dead ends: 276 [2020-10-15 02:52:32,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-15 02:52:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 274. [2020-10-15 02:52:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-15 02:52:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 374 transitions. [2020-10-15 02:52:32,722 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 374 transitions. Word has length 76 [2020-10-15 02:52:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:32,723 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 374 transitions. [2020-10-15 02:52:32,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 374 transitions. [2020-10-15 02:52:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 02:52:32,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:32,724 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:32,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:52:32,725 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:32,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:32,725 INFO L82 PathProgramCache]: Analyzing trace with hash 296360785, now seen corresponding path program 1 times [2020-10-15 02:52:32,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:32,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872924998] [2020-10-15 02:52:32,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:32,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:32,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:52:33,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:33,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-15 02:52:33,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-15 02:52:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:33,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:33,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:33,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:33,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:33,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:33,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:33,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:33,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:33,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:33,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:33,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:52:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:33,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:33,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 02:52:33,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872924998] [2020-10-15 02:52:33,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:33,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:52:33,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114989887] [2020-10-15 02:52:33,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:52:33,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:33,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:52:33,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:52:33,445 INFO L87 Difference]: Start difference. First operand 274 states and 374 transitions. Second operand 9 states. [2020-10-15 02:52:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:34,794 INFO L93 Difference]: Finished difference Result 446 states and 615 transitions. [2020-10-15 02:52:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:52:34,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-15 02:52:34,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:34,797 INFO L225 Difference]: With dead ends: 446 [2020-10-15 02:52:34,797 INFO L226 Difference]: Without dead ends: 273 [2020-10-15 02:52:34,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:52:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-15 02:52:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2020-10-15 02:52:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-15 02:52:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2020-10-15 02:52:34,819 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 79 [2020-10-15 02:52:34,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:34,820 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2020-10-15 02:52:34,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:52:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2020-10-15 02:52:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-15 02:52:34,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:34,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:34,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:52:34,821 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:34,822 INFO L82 PathProgramCache]: Analyzing trace with hash -874204514, now seen corresponding path program 1 times [2020-10-15 02:52:34,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:34,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797611893] [2020-10-15 02:52:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:35,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:35,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:52:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:52:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2684 [2020-10-15 02:52:37,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:52:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 02:52:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:52:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:37,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:37,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:52:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:37,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:37,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:37,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:37,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:37,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:52:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:37,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:37,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:37,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:52:37,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:52:37,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:52:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:52:37,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:52:37,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:37,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:37,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:37,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:37,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:37,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:37,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:37,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 02:52:37,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797611893] [2020-10-15 02:52:37,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:37,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:52:37,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014709403] [2020-10-15 02:52:37,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:52:37,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:37,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:52:37,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:52:37,911 INFO L87 Difference]: Start difference. First operand 273 states and 371 transitions. Second operand 9 states. [2020-10-15 02:52:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:40,411 INFO L93 Difference]: Finished difference Result 704 states and 952 transitions. [2020-10-15 02:52:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:52:40,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-10-15 02:52:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:40,416 INFO L225 Difference]: With dead ends: 704 [2020-10-15 02:52:40,417 INFO L226 Difference]: Without dead ends: 532 [2020-10-15 02:52:40,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:52:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-15 02:52:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 461. [2020-10-15 02:52:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-15 02:52:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 623 transitions. [2020-10-15 02:52:40,451 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 623 transitions. Word has length 81 [2020-10-15 02:52:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:40,451 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 623 transitions. [2020-10-15 02:52:40,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:52:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 623 transitions. [2020-10-15 02:52:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-15 02:52:40,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:40,453 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:40,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:52:40,454 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:40,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:40,454 INFO L82 PathProgramCache]: Analyzing trace with hash -495735015, now seen corresponding path program 1 times [2020-10-15 02:52:40,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:40,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961327376] [2020-10-15 02:52:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:41,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:41,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:52:45,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:52:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:52:45,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:52:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:52:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-15 02:52:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:45,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:52:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:52:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:45,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:45,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:45,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:52:45,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:52:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:45,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:52:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:52:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:52:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:45,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:52:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:52:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:52:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:52:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:52:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:52:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:52:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:52:46,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-15 02:52:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:52:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:52:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:52:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:46,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 02:52:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:52:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:52:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 02:52:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:52:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-15 02:52:46,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961327376] [2020-10-15 02:52:46,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:46,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:52:46,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641752976] [2020-10-15 02:52:46,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:52:46,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:46,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:52:46,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:52:46,322 INFO L87 Difference]: Start difference. First operand 461 states and 623 transitions. Second operand 23 states. [2020-10-15 02:52:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:57,134 INFO L93 Difference]: Finished difference Result 1345 states and 1917 transitions. [2020-10-15 02:52:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-15 02:52:57,136 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 116 [2020-10-15 02:52:57,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:57,145 INFO L225 Difference]: With dead ends: 1345 [2020-10-15 02:52:57,146 INFO L226 Difference]: Without dead ends: 877 [2020-10-15 02:52:57,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1533 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=924, Invalid=4776, Unknown=0, NotChecked=0, Total=5700 [2020-10-15 02:52:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-15 02:52:57,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 591. [2020-10-15 02:52:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-15 02:52:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 822 transitions. [2020-10-15 02:52:57,217 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 822 transitions. Word has length 116 [2020-10-15 02:52:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:57,218 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 822 transitions. [2020-10-15 02:52:57,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:52:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 822 transitions. [2020-10-15 02:52:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 02:52:57,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:57,220 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:52:57,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:52:57,221 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:57,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:57,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2123311863, now seen corresponding path program 1 times [2020-10-15 02:52:57,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:57,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046485923] [2020-10-15 02:52:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:57,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:57,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-15 02:53:02,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:53:02,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 02:53:02,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:53:02,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:02,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:02,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:02,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:02,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:02,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:02,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:53:02,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:53:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:53:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:02,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:02,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:02,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:53:02,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:53:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:53:02,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:02,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:02,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:53:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:02,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:02,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:02,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:53:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:53:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:53:02,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:02,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:53:02,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:02,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:02,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:02,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:02,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:02,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:53:02,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:02,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:02,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:02,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:02,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:02,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:53:02,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046485923] [2020-10-15 02:53:02,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:02,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:53:02,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392288958] [2020-10-15 02:53:02,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:53:02,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:02,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:53:02,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:53:02,846 INFO L87 Difference]: Start difference. First operand 591 states and 822 transitions. Second operand 11 states. [2020-10-15 02:53:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:05,679 INFO L93 Difference]: Finished difference Result 1418 states and 2023 transitions. [2020-10-15 02:53:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:53:05,680 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 118 [2020-10-15 02:53:05,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:05,687 INFO L225 Difference]: With dead ends: 1418 [2020-10-15 02:53:05,687 INFO L226 Difference]: Without dead ends: 1020 [2020-10-15 02:53:05,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:53:05,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-15 02:53:05,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1008. [2020-10-15 02:53:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-10-15 02:53:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1418 transitions. [2020-10-15 02:53:05,781 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1418 transitions. Word has length 118 [2020-10-15 02:53:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:05,781 INFO L479 AbstractCegarLoop]: Abstraction has 1008 states and 1418 transitions. [2020-10-15 02:53:05,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:53:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1418 transitions. [2020-10-15 02:53:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:53:05,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:05,785 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:05,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:53:05,785 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:05,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:05,786 INFO L82 PathProgramCache]: Analyzing trace with hash 5340095, now seen corresponding path program 1 times [2020-10-15 02:53:05,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:05,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643709284] [2020-10-15 02:53:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:05,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:07,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-15 02:53:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:53:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:10,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:53:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:53:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:10,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:10,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:10,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:10,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:10,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:10,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:10,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:10,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:10,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:10,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:10,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:10,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:10,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:10,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:10,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:10,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:10,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:53:10,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:10,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:10,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:10,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:10,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:10,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:10,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:10,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:10,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:10,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:10,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:10,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:10,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:10,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:11,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:53:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:11,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:11,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:11,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:53:11,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:11,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:11,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:53:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:53:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:53:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:53:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:11,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:53:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:11,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:11,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:53:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:11,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:11,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:53:11,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643709284] [2020-10-15 02:53:11,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:11,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:53:11,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632498438] [2020-10-15 02:53:11,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:53:11,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:11,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:53:11,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:53:11,316 INFO L87 Difference]: Start difference. First operand 1008 states and 1418 transitions. Second operand 11 states. [2020-10-15 02:53:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:14,453 INFO L93 Difference]: Finished difference Result 2482 states and 3557 transitions. [2020-10-15 02:53:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:53:14,454 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 119 [2020-10-15 02:53:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:14,464 INFO L225 Difference]: With dead ends: 2482 [2020-10-15 02:53:14,465 INFO L226 Difference]: Without dead ends: 1803 [2020-10-15 02:53:14,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:53:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-10-15 02:53:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1390. [2020-10-15 02:53:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-10-15 02:53:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1969 transitions. [2020-10-15 02:53:14,610 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1969 transitions. Word has length 119 [2020-10-15 02:53:14,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:14,611 INFO L479 AbstractCegarLoop]: Abstraction has 1390 states and 1969 transitions. [2020-10-15 02:53:14,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:53:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1969 transitions. [2020-10-15 02:53:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 02:53:14,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:14,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:14,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:53:14,615 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:14,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:14,615 INFO L82 PathProgramCache]: Analyzing trace with hash 623901459, now seen corresponding path program 1 times [2020-10-15 02:53:14,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:14,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623348852] [2020-10-15 02:53:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:14,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:15,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:17,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3190 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-15 02:53:17,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:17,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:17,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:17,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:17,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:17,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:17,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:17,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:17,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:17,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:17,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:17,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:18,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:18,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:18,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 02:53:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:18,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:18,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:53:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:53:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:18,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:53:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:53:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:18,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:18,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:18,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 02:53:18,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623348852] [2020-10-15 02:53:18,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:18,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 02:53:18,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068932474] [2020-10-15 02:53:18,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:53:18,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:18,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:53:18,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:53:18,456 INFO L87 Difference]: Start difference. First operand 1390 states and 1969 transitions. Second operand 18 states. [2020-10-15 02:53:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:22,242 INFO L93 Difference]: Finished difference Result 2538 states and 3665 transitions. [2020-10-15 02:53:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 02:53:22,244 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 120 [2020-10-15 02:53:22,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:22,251 INFO L225 Difference]: With dead ends: 2538 [2020-10-15 02:53:22,252 INFO L226 Difference]: Without dead ends: 1379 [2020-10-15 02:53:22,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=230, Invalid=826, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 02:53:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2020-10-15 02:53:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1336. [2020-10-15 02:53:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2020-10-15 02:53:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1774 transitions. [2020-10-15 02:53:22,378 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1774 transitions. Word has length 120 [2020-10-15 02:53:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:22,378 INFO L479 AbstractCegarLoop]: Abstraction has 1336 states and 1774 transitions. [2020-10-15 02:53:22,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:53:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1774 transitions. [2020-10-15 02:53:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-15 02:53:22,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:22,383 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:22,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:53:22,383 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:22,384 INFO L82 PathProgramCache]: Analyzing trace with hash -508182888, now seen corresponding path program 1 times [2020-10-15 02:53:22,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:22,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924498282] [2020-10-15 02:53:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:22,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:22,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:26,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-15 02:53:26,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4534 [2020-10-15 02:53:26,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:26,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:53:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:53:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-15 02:53:26,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:27,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:53:27,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:53:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:27,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:53:27,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:27,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:27,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:27,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:53:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:27,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 02:53:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:53:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:53:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:27,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:53:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:53:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:27,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:27,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:53:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:53:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:53:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:27,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:27,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:53:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 02:53:27,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 02:53:27,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:53:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 02:53:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 02:53:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:27,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:27,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:27,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:27,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:53:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 02:53:28,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924498282] [2020-10-15 02:53:28,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:28,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:53:28,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626461120] [2020-10-15 02:53:28,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:53:28,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:28,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:53:28,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:53:28,018 INFO L87 Difference]: Start difference. First operand 1336 states and 1774 transitions. Second operand 23 states. [2020-10-15 02:53:28,571 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:53:28,777 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2020-10-15 02:53:34,695 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:53:34,955 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2020-10-15 02:53:36,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:36,044 INFO L93 Difference]: Finished difference Result 3639 states and 4868 transitions. [2020-10-15 02:53:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-15 02:53:36,045 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 128 [2020-10-15 02:53:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:36,059 INFO L225 Difference]: With dead ends: 3639 [2020-10-15 02:53:36,059 INFO L226 Difference]: Without dead ends: 2594 [2020-10-15 02:53:36,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 35 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=698, Invalid=2724, Unknown=0, NotChecked=0, Total=3422 [2020-10-15 02:53:36,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2020-10-15 02:53:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2236. [2020-10-15 02:53:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-15 02:53:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2908 transitions. [2020-10-15 02:53:36,299 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2908 transitions. Word has length 128 [2020-10-15 02:53:36,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:36,300 INFO L479 AbstractCegarLoop]: Abstraction has 2236 states and 2908 transitions. [2020-10-15 02:53:36,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:53:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2908 transitions. [2020-10-15 02:53:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-15 02:53:36,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:36,306 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:36,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 02:53:36,306 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:36,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:36,307 INFO L82 PathProgramCache]: Analyzing trace with hash -921914608, now seen corresponding path program 1 times [2020-10-15 02:53:36,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:36,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311379353] [2020-10-15 02:53:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:36,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:36,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:36,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:36,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:39,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-15 02:53:41,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:41,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:53:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 02:53:41,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-15 02:53:41,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:53:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:53:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:53:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:53:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:41,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:41,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:41,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:41,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 02:53:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:53:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 02:53:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:53:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:53:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:53:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:41,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:53:41,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:41,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:53:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:53:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:41,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:41,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:41,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:41,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:53:41,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:42,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:42,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 02:53:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:53:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 02:53:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 02:53:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:53:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:42,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:42,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:53:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:42,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:53:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:42,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:42,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-15 02:53:42,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311379353] [2020-10-15 02:53:42,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:42,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-15 02:53:42,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921819677] [2020-10-15 02:53:42,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 02:53:42,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:42,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 02:53:42,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:53:42,275 INFO L87 Difference]: Start difference. First operand 2236 states and 2908 transitions. Second operand 20 states. [2020-10-15 02:53:42,598 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:53:47,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:47,661 INFO L93 Difference]: Finished difference Result 4784 states and 6206 transitions. [2020-10-15 02:53:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:53:47,662 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 141 [2020-10-15 02:53:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:47,674 INFO L225 Difference]: With dead ends: 4784 [2020-10-15 02:53:47,675 INFO L226 Difference]: Without dead ends: 2579 [2020-10-15 02:53:47,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=391, Invalid=1331, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 02:53:47,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2020-10-15 02:53:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2410. [2020-10-15 02:53:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2020-10-15 02:53:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3101 transitions. [2020-10-15 02:53:47,969 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3101 transitions. Word has length 141 [2020-10-15 02:53:47,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:47,970 INFO L479 AbstractCegarLoop]: Abstraction has 2410 states and 3101 transitions. [2020-10-15 02:53:47,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 02:53:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3101 transitions. [2020-10-15 02:53:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-15 02:53:47,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:47,979 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:47,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 02:53:47,979 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:47,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:47,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1323952013, now seen corresponding path program 2 times [2020-10-15 02:53:47,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:47,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068627774] [2020-10-15 02:53:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:48,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:53:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:53:53,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:53:54,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:53:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:53:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:53:54,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:53:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:54,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 02:53:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:54,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 02:53:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:54,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:53:54,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:53:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:54,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:54,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:53:54,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:53:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:53:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:53:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 02:53:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:53:54,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:53:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:53:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:53:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 02:53:54,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 02:53:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:53:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:54,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:54,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:54,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:54,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:54,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:54,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:54,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:53:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:54,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:54,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:54,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:53:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:54,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:54,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:53:54,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:54,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:54,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-15 02:53:54,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068627774] [2020-10-15 02:53:54,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:54,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-15 02:53:54,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894864127] [2020-10-15 02:53:54,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 02:53:54,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:54,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 02:53:54,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:53:54,899 INFO L87 Difference]: Start difference. First operand 2410 states and 3101 transitions. Second operand 21 states. [2020-10-15 02:53:57,801 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:54:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:00,054 INFO L93 Difference]: Finished difference Result 4970 states and 6408 transitions. [2020-10-15 02:54:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 02:54:00,058 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 152 [2020-10-15 02:54:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:00,073 INFO L225 Difference]: With dead ends: 4970 [2020-10-15 02:54:00,073 INFO L226 Difference]: Without dead ends: 2604 [2020-10-15 02:54:00,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=340, Invalid=1220, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:54:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2020-10-15 02:54:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2515. [2020-10-15 02:54:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2515 states. [2020-10-15 02:54:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3246 transitions. [2020-10-15 02:54:00,354 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3246 transitions. Word has length 152 [2020-10-15 02:54:00,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:00,354 INFO L479 AbstractCegarLoop]: Abstraction has 2515 states and 3246 transitions. [2020-10-15 02:54:00,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 02:54:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3246 transitions. [2020-10-15 02:54:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-15 02:54:00,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:00,361 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:00,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 02:54:00,361 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:00,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1933748188, now seen corresponding path program 1 times [2020-10-15 02:54:00,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:00,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129925046] [2020-10-15 02:54:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-15 02:54:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:54:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:54:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:00,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:00,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:00,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 02:54:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 02:54:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 02:54:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:54:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:54:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:54:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:00,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:00,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:00,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:00,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:00,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:00,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:00,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-15 02:54:00,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129925046] [2020-10-15 02:54:00,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:54:00,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:54:00,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506486646] [2020-10-15 02:54:00,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:54:00,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:00,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:54:00,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:54:00,930 INFO L87 Difference]: Start difference. First operand 2515 states and 3246 transitions. Second operand 12 states. [2020-10-15 02:54:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:02,969 INFO L93 Difference]: Finished difference Result 4627 states and 5971 transitions. [2020-10-15 02:54:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:02,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2020-10-15 02:54:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:02,987 INFO L225 Difference]: With dead ends: 4627 [2020-10-15 02:54:02,988 INFO L226 Difference]: Without dead ends: 2526 [2020-10-15 02:54:02,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:54:02,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2020-10-15 02:54:03,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2515. [2020-10-15 02:54:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2515 states. [2020-10-15 02:54:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3238 transitions. [2020-10-15 02:54:03,224 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3238 transitions. Word has length 138 [2020-10-15 02:54:03,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:03,224 INFO L479 AbstractCegarLoop]: Abstraction has 2515 states and 3238 transitions. [2020-10-15 02:54:03,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:54:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3238 transitions. [2020-10-15 02:54:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-15 02:54:03,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:03,231 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:03,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 02:54:03,231 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:03,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:03,232 INFO L82 PathProgramCache]: Analyzing trace with hash -702016126, now seen corresponding path program 1 times [2020-10-15 02:54:03,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:03,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530940990] [2020-10-15 02:54:03,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:08,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:08,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-15 02:54:08,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:54:08,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:08,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 02:54:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:08,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:08,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:08,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:08,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:08,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:08,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:09,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-15 02:54:12,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3976 [2020-10-15 02:54:12,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:54:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:12,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:54:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:12,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:54:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:12,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:12,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:54:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:54:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 02:54:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:54:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:12,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:54:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:12,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-15 02:54:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:54:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:54:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-15 02:54:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-15 02:54:12,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530940990] [2020-10-15 02:54:12,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:54:12,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:54:12,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141590664] [2020-10-15 02:54:12,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:54:12,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:12,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:54:12,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:54:12,724 INFO L87 Difference]: Start difference. First operand 2515 states and 3238 transitions. Second operand 11 states. [2020-10-15 02:54:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:14,686 INFO L93 Difference]: Finished difference Result 4626 states and 5948 transitions. [2020-10-15 02:54:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:14,687 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2020-10-15 02:54:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:14,699 INFO L225 Difference]: With dead ends: 4626 [2020-10-15 02:54:14,700 INFO L226 Difference]: Without dead ends: 2462 [2020-10-15 02:54:14,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:54:14,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2020-10-15 02:54:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2462. [2020-10-15 02:54:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2462 states. [2020-10-15 02:54:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 3157 transitions. [2020-10-15 02:54:14,881 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 3157 transitions. Word has length 192 [2020-10-15 02:54:14,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:14,881 INFO L479 AbstractCegarLoop]: Abstraction has 2462 states and 3157 transitions. [2020-10-15 02:54:14,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:54:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 3157 transitions. [2020-10-15 02:54:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-15 02:54:14,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:14,887 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:14,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 02:54:14,888 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1146798860, now seen corresponding path program 2 times [2020-10-15 02:54:14,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:14,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525263578] [2020-10-15 02:54:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:14,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:14,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:14,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:15,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:54:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:19,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:20,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3744 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:54:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:23,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:23,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:54:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:23,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:54:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:23,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:23,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:23,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:54:23,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:54:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 02:54:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:23,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:54:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:23,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:54:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:54:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:54:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:54:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:24,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:24,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 02:54:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:24,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:24,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:24,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:24,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:24,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:24,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:24,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:24,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-15 02:54:24,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525263578] [2020-10-15 02:54:24,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:54:24,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:54:24,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059596966] [2020-10-15 02:54:24,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:54:24,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:24,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:54:24,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:54:24,138 INFO L87 Difference]: Start difference. First operand 2462 states and 3157 transitions. Second operand 11 states. [2020-10-15 02:54:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:26,119 INFO L93 Difference]: Finished difference Result 4573 states and 5867 transitions. [2020-10-15 02:54:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:26,128 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-10-15 02:54:26,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:26,140 INFO L225 Difference]: With dead ends: 4573 [2020-10-15 02:54:26,141 INFO L226 Difference]: Without dead ends: 2416 [2020-10-15 02:54:26,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:54:26,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2020-10-15 02:54:26,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2416. [2020-10-15 02:54:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2416 states. [2020-10-15 02:54:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3087 transitions. [2020-10-15 02:54:26,315 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3087 transitions. Word has length 194 [2020-10-15 02:54:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:26,316 INFO L479 AbstractCegarLoop]: Abstraction has 2416 states and 3087 transitions. [2020-10-15 02:54:26,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:54:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3087 transitions. [2020-10-15 02:54:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-15 02:54:26,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:26,321 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:26,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 02:54:26,322 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:26,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1631578112, now seen corresponding path program 1 times [2020-10-15 02:54:26,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:26,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340725808] [2020-10-15 02:54:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:26,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:31,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-15 02:54:31,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:54:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:54:31,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:31,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 02:54:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:31,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:31,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:31,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:31,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-15 02:54:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:32,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:32,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:54:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:32,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:32,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:54:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:54:32,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:32,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:54:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:32,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:32,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:54:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:54:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 02:54:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:32,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:32,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:32,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:32,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:32,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-15 02:54:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:54:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:54:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:33,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:33,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-15 02:54:33,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340725808] [2020-10-15 02:54:33,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:54:33,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:54:33,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495406072] [2020-10-15 02:54:33,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:54:33,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:33,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:54:33,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:54:33,114 INFO L87 Difference]: Start difference. First operand 2416 states and 3087 transitions. Second operand 12 states. [2020-10-15 02:54:35,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:35,321 INFO L93 Difference]: Finished difference Result 4533 states and 5803 transitions. [2020-10-15 02:54:35,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:35,322 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2020-10-15 02:54:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:35,336 INFO L225 Difference]: With dead ends: 4533 [2020-10-15 02:54:35,337 INFO L226 Difference]: Without dead ends: 2424 [2020-10-15 02:54:35,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:54:35,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2020-10-15 02:54:35,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2416. [2020-10-15 02:54:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2416 states. [2020-10-15 02:54:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3075 transitions. [2020-10-15 02:54:35,535 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3075 transitions. Word has length 195 [2020-10-15 02:54:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:35,535 INFO L479 AbstractCegarLoop]: Abstraction has 2416 states and 3075 transitions. [2020-10-15 02:54:35,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:54:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3075 transitions. [2020-10-15 02:54:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-15 02:54:35,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:35,541 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:35,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 02:54:35,542 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:35,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1743273147, now seen corresponding path program 1 times [2020-10-15 02:54:35,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:35,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256306012] [2020-10-15 02:54:35,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:35,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:35,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:35,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:40,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-15 02:54:40,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-15 02:54:40,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:40,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:40,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-15 02:54:45,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:54:45,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 02:54:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:45,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:45,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:45,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:54:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:54:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:45,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:54:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:54:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:54:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:54:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:54:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:54:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:45,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:54:45,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:46,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:54:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:54:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:54:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:54:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:54:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:54:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:54:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 02:54:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:54:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:54:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 02:54:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:54:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 02:54:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-15 02:54:46,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256306012] [2020-10-15 02:54:46,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:54:46,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-15 02:54:46,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819923670] [2020-10-15 02:54:46,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:54:46,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:46,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:54:46,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:54:46,534 INFO L87 Difference]: Start difference. First operand 2416 states and 3075 transitions. Second operand 22 states. [2020-10-15 02:54:47,499 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2020-10-15 02:54:47,734 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-10-15 02:54:53,371 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:54:54,473 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-10-15 02:54:55,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:55,782 INFO L93 Difference]: Finished difference Result 5645 states and 7308 transitions. [2020-10-15 02:54:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 02:54:55,782 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 202 [2020-10-15 02:54:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:55,796 INFO L225 Difference]: With dead ends: 5645 [2020-10-15 02:54:55,796 INFO L226 Difference]: Without dead ends: 4435 [2020-10-15 02:54:55,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=647, Invalid=2775, Unknown=0, NotChecked=0, Total=3422 [2020-10-15 02:54:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4435 states. [2020-10-15 02:54:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4435 to 4207. [2020-10-15 02:54:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4207 states. [2020-10-15 02:54:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 4207 states and 5431 transitions. [2020-10-15 02:54:56,237 INFO L78 Accepts]: Start accepts. Automaton has 4207 states and 5431 transitions. Word has length 202 [2020-10-15 02:54:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:56,239 INFO L479 AbstractCegarLoop]: Abstraction has 4207 states and 5431 transitions. [2020-10-15 02:54:56,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:54:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4207 states and 5431 transitions. [2020-10-15 02:54:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-15 02:54:56,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:56,246 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:56,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 02:54:56,246 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:56,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1434889086, now seen corresponding path program 1 times [2020-10-15 02:54:56,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:56,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72108630] [2020-10-15 02:54:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:56,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:56,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:56,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:55:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-15 02:55:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-15 02:55:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:01,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:01,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:01,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:01,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:01,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:01,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-15 02:55:03,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2390 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:55:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:03,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:55:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:55:03,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:55:03,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:55:03,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:55:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:55:03,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:55:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:55:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:55:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:55:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:04,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:55:04,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:55:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:04,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 02:55:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:55:04,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:04,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:55:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:04,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 02:55:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 02:55:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:55:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:04,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:04,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:55:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:55:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:55:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 02:55:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:04,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-15 02:55:04,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72108630] [2020-10-15 02:55:04,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:04,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-15 02:55:04,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686653514] [2020-10-15 02:55:04,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:55:04,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:04,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:55:04,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:55:04,446 INFO L87 Difference]: Start difference. First operand 4207 states and 5431 transitions. Second operand 22 states. [2020-10-15 02:55:04,886 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:55:05,553 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:55:10,279 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-15 02:55:10,496 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-15 02:55:10,887 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-10-15 02:55:11,136 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-15 02:55:16,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:16,482 INFO L93 Difference]: Finished difference Result 11422 states and 15596 transitions. [2020-10-15 02:55:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-15 02:55:16,483 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 207 [2020-10-15 02:55:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:16,517 INFO L225 Difference]: With dead ends: 11422 [2020-10-15 02:55:16,518 INFO L226 Difference]: Without dead ends: 7556 [2020-10-15 02:55:16,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=742, Invalid=4088, Unknown=0, NotChecked=0, Total=4830 [2020-10-15 02:55:16,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2020-10-15 02:55:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 6738. [2020-10-15 02:55:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6738 states. [2020-10-15 02:55:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6738 states to 6738 states and 9161 transitions. [2020-10-15 02:55:17,120 INFO L78 Accepts]: Start accepts. Automaton has 6738 states and 9161 transitions. Word has length 207 [2020-10-15 02:55:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:17,120 INFO L479 AbstractCegarLoop]: Abstraction has 6738 states and 9161 transitions. [2020-10-15 02:55:17,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:55:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 6738 states and 9161 transitions. [2020-10-15 02:55:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-15 02:55:17,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:17,128 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:17,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 02:55:17,128 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:17,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:17,129 INFO L82 PathProgramCache]: Analyzing trace with hash 871401116, now seen corresponding path program 1 times [2020-10-15 02:55:17,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:17,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384382718] [2020-10-15 02:55:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:17,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:17,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:17,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:22,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:55:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-10-15 02:55:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:55:22,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:22,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:22,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-15 02:55:23,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:55:23,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 917 [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:55:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:55:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:55:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:23,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:55:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:55:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:55:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 02:55:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:23,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:23,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 02:55:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 02:55:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:23,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:23,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:23,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 02:55:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:55:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-15 02:55:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:55:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:55:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:55:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:55:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:55:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 02:55:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:23,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-10-15 02:55:23,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384382718] [2020-10-15 02:55:23,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:23,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-15 02:55:23,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043102399] [2020-10-15 02:55:23,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:55:23,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:23,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:55:23,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:55:23,858 INFO L87 Difference]: Start difference. First operand 6738 states and 9161 transitions. Second operand 22 states. [2020-10-15 02:55:31,263 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:55:33,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:33,375 INFO L93 Difference]: Finished difference Result 13191 states and 17753 transitions. [2020-10-15 02:55:33,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-15 02:55:33,376 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 232 [2020-10-15 02:55:33,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:33,404 INFO L225 Difference]: With dead ends: 13191 [2020-10-15 02:55:33,404 INFO L226 Difference]: Without dead ends: 6268 [2020-10-15 02:55:33,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=617, Invalid=2923, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 02:55:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2020-10-15 02:55:33,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5600. [2020-10-15 02:55:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5600 states. [2020-10-15 02:55:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5600 states to 5600 states and 6712 transitions. [2020-10-15 02:55:33,927 INFO L78 Accepts]: Start accepts. Automaton has 5600 states and 6712 transitions. Word has length 232 [2020-10-15 02:55:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:33,927 INFO L479 AbstractCegarLoop]: Abstraction has 5600 states and 6712 transitions. [2020-10-15 02:55:33,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:55:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5600 states and 6712 transitions. [2020-10-15 02:55:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-15 02:55:33,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:33,932 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:33,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-15 02:55:33,932 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:33,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2100324605, now seen corresponding path program 1 times [2020-10-15 02:55:33,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:33,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072613295] [2020-10-15 02:55:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:33,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking...