/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_ActiveStandby.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 08:16:24,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 08:16:24,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 08:16:24,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 08:16:24,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 08:16:24,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 08:16:24,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 08:16:24,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 08:16:24,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 08:16:24,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 08:16:24,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 08:16:24,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 08:16:24,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 08:16:24,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 08:16:24,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 08:16:24,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 08:16:24,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 08:16:24,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 08:16:24,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 08:16:24,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 08:16:24,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 08:16:24,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 08:16:24,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 08:16:24,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 08:16:24,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 08:16:24,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 08:16:24,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 08:16:24,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 08:16:24,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 08:16:24,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 08:16:24,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 08:16:24,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 08:16:24,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 08:16:24,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 08:16:24,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 08:16:24,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 08:16:24,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 08:16:24,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 08:16:24,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 08:16:24,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 08:16:24,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 08:16:24,402 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 [2020-10-14 08:16:24,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 08:16:24,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 08:16:24,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 08:16:24,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 08:16:24,438 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 08:16:24,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 08:16:24,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 08:16:24,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 08:16:24,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 08:16:24,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 08:16:24,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 08:16:24,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 08:16:24,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 08:16:24,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 08:16:24,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 08:16:24,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 08:16:24,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 08:16:24,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 08:16:24,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 08:16:24,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 08:16:24,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 08:16:24,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:16:24,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 08:16:24,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 08:16:24,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 08:16:24,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 08:16:24,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 08:16:24,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 08:16:24,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 08:16:24,443 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 08:16:24,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 08:16:24,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 08:16:24,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 08:16:24,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 08:16:24,786 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 08:16:24,787 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.UNBOUNDED.pals.c [2020-10-14 08:16:24,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e73f7637/8c886b2740ff455ba2eee8ef1ccf4b1d/FLAG4dbdd1b7d [2020-10-14 08:16:25,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 08:16:25,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.UNBOUNDED.pals.c [2020-10-14 08:16:25,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e73f7637/8c886b2740ff455ba2eee8ef1ccf4b1d/FLAG4dbdd1b7d [2020-10-14 08:16:25,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e73f7637/8c886b2740ff455ba2eee8ef1ccf4b1d [2020-10-14 08:16:25,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 08:16:25,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 08:16:25,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 08:16:25,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 08:16:25,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 08:16:25,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:16:25" (1/1) ... [2020-10-14 08:16:25,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369ce0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:25, skipping insertion in model container [2020-10-14 08:16:25,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:16:25" (1/1) ... [2020-10-14 08:16:25,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 08:16:25,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 08:16:26,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:16:26,156 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 08:16:26,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:16:26,265 INFO L208 MainTranslator]: Completed translation [2020-10-14 08:16:26,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26 WrapperNode [2020-10-14 08:16:26,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 08:16:26,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 08:16:26,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 08:16:26,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 08:16:26,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (1/1) ... [2020-10-14 08:16:26,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 08:16:26,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 08:16:26,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 08:16:26,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 08:16:26,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (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 [2020-10-14 08:16:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 08:16:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 08:16:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 08:16:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-14 08:16:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-14 08:16:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 08:16:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 08:16:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 08:16:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 08:16:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 08:16:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 08:16:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-14 08:16:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-14 08:16:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-14 08:16:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 08:16:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 08:16:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 08:16:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 08:16:27,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 08:16:27,227 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 08:16:27,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:16:27 BoogieIcfgContainer [2020-10-14 08:16:27,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 08:16:27,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 08:16:27,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 08:16:27,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 08:16:27,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:16:25" (1/3) ... [2020-10-14 08:16:27,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cb5ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:16:27, skipping insertion in model container [2020-10-14 08:16:27,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:26" (2/3) ... [2020-10-14 08:16:27,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cb5ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:16:27, skipping insertion in model container [2020-10-14 08:16:27,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:16:27" (3/3) ... [2020-10-14 08:16:27,244 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.ufo.UNBOUNDED.pals.c [2020-10-14 08:16:27,256 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 08:16:27,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 08:16:27,281 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 08:16:27,310 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 08:16:27,310 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 08:16:27,311 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 08:16:27,311 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 08:16:27,311 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 08:16:27,311 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 08:16:27,312 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 08:16:27,312 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 08:16:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2020-10-14 08:16:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 08:16:27,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:27,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:27,353 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:27,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:27,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1549655252, now seen corresponding path program 1 times [2020-10-14 08:16:27,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:27,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600524504] [2020-10-14 08:16:27,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:28,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 08:16:29,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 08:16:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1841 [2020-10-14 08:16:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:16:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 08:16:29,750 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:16:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:29,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:29,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:29,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:29,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:29,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:16:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:16:29,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:29,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:29,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:16:29,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:29,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 08:16:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:29,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:29,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:29,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:16:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 08:16:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:29,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:16:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:30,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:30,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:30,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:30,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:30,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:30,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:30,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:30,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:16:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:30,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:30,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:16:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 08:16:30,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:30,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 08:16:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:30,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:30,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:16:30,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600524504] [2020-10-14 08:16:30,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:30,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:16:30,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867178871] [2020-10-14 08:16:30,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:16:30,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:30,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:16:30,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:16:30,163 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 9 states. [2020-10-14 08:16:31,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:31,864 INFO L93 Difference]: Finished difference Result 456 states and 705 transitions. [2020-10-14 08:16:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:16:31,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-14 08:16:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:31,882 INFO L225 Difference]: With dead ends: 456 [2020-10-14 08:16:31,882 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 08:16:31,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:16:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 08:16:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2020-10-14 08:16:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-14 08:16:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 342 transitions. [2020-10-14 08:16:32,065 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 342 transitions. Word has length 71 [2020-10-14 08:16:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:32,067 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 342 transitions. [2020-10-14 08:16:32,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:16:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 342 transitions. [2020-10-14 08:16:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 08:16:32,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:32,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:32,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 08:16:32,081 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:32,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:32,082 INFO L82 PathProgramCache]: Analyzing trace with hash 695502060, now seen corresponding path program 1 times [2020-10-14 08:16:32,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:32,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015421424] [2020-10-14 08:16:32,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 08:16:36,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:16:36,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4015 [2020-10-14 08:16:36,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:16:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 08:16:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:16:36,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,368 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:36,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:16:36,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:36,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:36,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:16:36,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:16:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:36,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:16:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:36,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:36,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:16:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:36,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:16:36,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:16:36,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:36,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:36,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:36,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:36,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:36,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:16:36,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015421424] [2020-10-14 08:16:36,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:36,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 08:16:36,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010305494] [2020-10-14 08:16:36,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:16:36,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:36,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:16:36,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:16:36,698 INFO L87 Difference]: Start difference. First operand 237 states and 342 transitions. Second operand 11 states. [2020-10-14 08:16:37,920 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:38,164 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-14 08:16:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:39,483 INFO L93 Difference]: Finished difference Result 454 states and 657 transitions. [2020-10-14 08:16:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 08:16:39,484 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-14 08:16:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:39,488 INFO L225 Difference]: With dead ends: 454 [2020-10-14 08:16:39,488 INFO L226 Difference]: Without dead ends: 241 [2020-10-14 08:16:39,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:16:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-14 08:16:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2020-10-14 08:16:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-14 08:16:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 345 transitions. [2020-10-14 08:16:39,533 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 345 transitions. Word has length 71 [2020-10-14 08:16:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:39,534 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 345 transitions. [2020-10-14 08:16:39,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:16:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 345 transitions. [2020-10-14 08:16:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 08:16:39,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:39,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:39,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 08:16:39,537 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:39,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:39,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1081227550, now seen corresponding path program 1 times [2020-10-14 08:16:39,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:39,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96712056] [2020-10-14 08:16:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:39,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:39,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:40,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 08:16:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:16:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 08:16:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:16:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 08:16:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:44,845 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:44,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:44,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:44,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:16:44,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 08:16:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:44,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:16:44,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:44,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:44,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:44,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:44,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:44,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:16:44,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:44,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:44,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:44,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:44,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:44,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:44,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:44,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:16:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:16:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:45,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:16:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:45,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 08:16:45,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:16:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:45,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:45,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:45,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:16:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:45,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:16:45,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:16:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:45,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:45,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:45,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:45,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:16:45,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:45,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:45,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:45,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:16:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:45,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:45,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:45,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:45,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:45,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:16:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:45,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96712056] [2020-10-14 08:16:45,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:45,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:16:45,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254417882] [2020-10-14 08:16:45,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:16:45,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:45,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:16:45,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:16:45,279 INFO L87 Difference]: Start difference. First operand 241 states and 345 transitions. Second operand 12 states. [2020-10-14 08:16:46,138 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 08:16:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:49,103 INFO L93 Difference]: Finished difference Result 649 states and 927 transitions. [2020-10-14 08:16:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:16:49,108 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 08:16:49,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:49,121 INFO L225 Difference]: With dead ends: 649 [2020-10-14 08:16:49,121 INFO L226 Difference]: Without dead ends: 432 [2020-10-14 08:16:49,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:16:49,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-14 08:16:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 415. [2020-10-14 08:16:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-14 08:16:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 597 transitions. [2020-10-14 08:16:49,194 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 597 transitions. Word has length 93 [2020-10-14 08:16:49,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:49,195 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 597 transitions. [2020-10-14 08:16:49,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:16:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 597 transitions. [2020-10-14 08:16:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 08:16:49,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:49,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:49,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 08:16:49,198 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:49,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1741107327, now seen corresponding path program 1 times [2020-10-14 08:16:49,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:49,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349434079] [2020-10-14 08:16:49,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:49,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:49,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:49,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:50,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 08:16:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 08:16:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 08:16:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:16:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 08:16:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:16:54,471 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:16:54,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:16:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:16:54,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:16:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:54,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:16:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:54,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:16:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:16:54,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:16:54,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:54,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:16:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:16:54,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 08:16:54,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:16:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:54,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:16:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:16:54,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 08:16:54,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:16:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:54,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:16:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:16:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:16:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:16:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:16:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:16:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:54,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:16:54,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:16:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:16:54,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:54,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:16:54,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:16:54,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:16:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:54,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:54,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:16:54,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:16:54,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:16:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:16:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:16:54,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:16:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:16:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:16:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:16:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:16:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:16:54,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349434079] [2020-10-14 08:16:54,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:16:54,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:16:54,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980098695] [2020-10-14 08:16:54,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:16:54,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:16:54,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:16:54,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:16:54,825 INFO L87 Difference]: Start difference. First operand 415 states and 597 transitions. Second operand 12 states. [2020-10-14 08:16:54,992 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:16:58,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:16:58,423 INFO L93 Difference]: Finished difference Result 827 states and 1180 transitions. [2020-10-14 08:16:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:16:58,425 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 08:16:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:16:58,429 INFO L225 Difference]: With dead ends: 827 [2020-10-14 08:16:58,429 INFO L226 Difference]: Without dead ends: 436 [2020-10-14 08:16:58,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:16:58,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-10-14 08:16:58,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 419. [2020-10-14 08:16:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 08:16:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2020-10-14 08:16:58,480 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 95 [2020-10-14 08:16:58,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:16:58,481 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2020-10-14 08:16:58,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:16:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2020-10-14 08:16:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:16:58,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:16:58,483 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:16:58,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 08:16:58,483 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:16:58,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:16:58,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2040640918, now seen corresponding path program 1 times [2020-10-14 08:16:58,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:16:58,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972257653] [2020-10-14 08:16:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:16:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:16:58,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:58,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:16:59,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:17:03,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:17:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 08:17:03,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 08:17:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 08:17:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,727 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:03,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:03,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:17:03,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:03,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:03,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:03,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:03,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:03,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:03,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:03,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:03,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:03,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:03,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:03,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:17:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:03,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:17:03,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:17:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:17:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:03,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:03,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:17:03,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:03,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:03,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:03,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:03,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:03,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:03,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:03,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:03,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:03,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:03,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:04,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:04,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:04,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:04,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:04,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:04,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:04,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:04,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:17:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:04,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:04,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972257653] [2020-10-14 08:17:04,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:04,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:17:04,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627145709] [2020-10-14 08:17:04,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:17:04,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:04,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:17:04,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:17:04,050 INFO L87 Difference]: Start difference. First operand 419 states and 598 transitions. Second operand 12 states. [2020-10-14 08:17:05,213 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 08:17:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:07,645 INFO L93 Difference]: Finished difference Result 1146 states and 1643 transitions. [2020-10-14 08:17:07,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:17:07,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-14 08:17:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:07,652 INFO L225 Difference]: With dead ends: 1146 [2020-10-14 08:17:07,653 INFO L226 Difference]: Without dead ends: 755 [2020-10-14 08:17:07,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:17:07,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-10-14 08:17:07,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 749. [2020-10-14 08:17:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-10-14 08:17:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1074 transitions. [2020-10-14 08:17:07,743 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1074 transitions. Word has length 94 [2020-10-14 08:17:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:07,744 INFO L479 AbstractCegarLoop]: Abstraction has 749 states and 1074 transitions. [2020-10-14 08:17:07,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:17:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1074 transitions. [2020-10-14 08:17:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 08:17:07,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:07,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:07,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 08:17:07,746 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:07,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:07,746 INFO L82 PathProgramCache]: Analyzing trace with hash -520197931, now seen corresponding path program 1 times [2020-10-14 08:17:07,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:07,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766661805] [2020-10-14 08:17:07,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:07,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:07,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:08,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:12,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 08:17:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 08:17:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:12,918 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:12,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:12,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:12,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:17:12,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:12,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:12,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:12,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:13,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:13,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:13,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:13,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:13,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:13,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:13,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:13,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:17:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 08:17:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:17:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:13,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:13,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:13,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:13,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:17:13,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:13,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:13,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:13,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:17:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:13,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:13,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:13,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:13,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:13,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:13,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:17:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:13,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:13,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766661805] [2020-10-14 08:17:13,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:13,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:17:13,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769415829] [2020-10-14 08:17:13,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:17:13,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:13,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:17:13,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:17:13,439 INFO L87 Difference]: Start difference. First operand 749 states and 1074 transitions. Second operand 12 states. [2020-10-14 08:17:13,670 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:17,260 INFO L93 Difference]: Finished difference Result 1525 states and 2179 transitions. [2020-10-14 08:17:17,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:17:17,261 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 08:17:17,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:17,266 INFO L225 Difference]: With dead ends: 1525 [2020-10-14 08:17:17,267 INFO L226 Difference]: Without dead ends: 804 [2020-10-14 08:17:17,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:17:17,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-10-14 08:17:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 749. [2020-10-14 08:17:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-10-14 08:17:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1072 transitions. [2020-10-14 08:17:17,355 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1072 transitions. Word has length 95 [2020-10-14 08:17:17,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:17,355 INFO L479 AbstractCegarLoop]: Abstraction has 749 states and 1072 transitions. [2020-10-14 08:17:17,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:17:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1072 transitions. [2020-10-14 08:17:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:17:17,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:17,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:17,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:17:17,357 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:17,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:17,358 INFO L82 PathProgramCache]: Analyzing trace with hash 974462700, now seen corresponding path program 1 times [2020-10-14 08:17:17,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:17,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020824830] [2020-10-14 08:17:17,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:17,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:18,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:22,546 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:22,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 08:17:22,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:17:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:17:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:17:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:17:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:17:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:17:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:22,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:17:22,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:17:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:22,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:17:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:22,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:22,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 08:17:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:22,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:22,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:22,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:23,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:23,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:23,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:23,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:23,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:23,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:23,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:23,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:23,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:17:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:23,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020824830] [2020-10-14 08:17:23,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:23,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:17:23,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905786836] [2020-10-14 08:17:23,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:17:23,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:23,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:17:23,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:17:23,070 INFO L87 Difference]: Start difference. First operand 749 states and 1072 transitions. Second operand 15 states. [2020-10-14 08:17:23,395 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 08:17:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:25,771 INFO L93 Difference]: Finished difference Result 1492 states and 2126 transitions. [2020-10-14 08:17:25,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:17:25,771 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 94 [2020-10-14 08:17:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:25,776 INFO L225 Difference]: With dead ends: 1492 [2020-10-14 08:17:25,776 INFO L226 Difference]: Without dead ends: 771 [2020-10-14 08:17:25,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-10-14 08:17:25,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-10-14 08:17:25,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2020-10-14 08:17:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-10-14 08:17:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1088 transitions. [2020-10-14 08:17:25,864 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1088 transitions. Word has length 94 [2020-10-14 08:17:25,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:25,864 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 1088 transitions. [2020-10-14 08:17:25,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:17:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1088 transitions. [2020-10-14 08:17:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:17:25,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:25,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:25,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:17:25,867 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:25,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:25,867 INFO L82 PathProgramCache]: Analyzing trace with hash 20522542, now seen corresponding path program 1 times [2020-10-14 08:17:25,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:25,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798769146] [2020-10-14 08:17:25,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:27,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:30,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,035 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:31,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:31,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 08:17:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:17:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:31,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:31,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:31,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:31,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:31,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:31,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:31,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:31,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:31,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 08:17:31,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798769146] [2020-10-14 08:17:31,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:31,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:17:31,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072591039] [2020-10-14 08:17:31,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:17:31,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:31,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:17:31,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:17:31,338 INFO L87 Difference]: Start difference. First operand 769 states and 1088 transitions. Second operand 14 states. [2020-10-14 08:17:31,582 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:17:31,736 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:17:33,025 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:17:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:33,992 INFO L93 Difference]: Finished difference Result 1397 states and 1965 transitions. [2020-10-14 08:17:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 08:17:33,992 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-14 08:17:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:33,997 INFO L225 Difference]: With dead ends: 1397 [2020-10-14 08:17:33,997 INFO L226 Difference]: Without dead ends: 618 [2020-10-14 08:17:34,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2020-10-14 08:17:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-10-14 08:17:34,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2020-10-14 08:17:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-14 08:17:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 871 transitions. [2020-10-14 08:17:34,064 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 871 transitions. Word has length 94 [2020-10-14 08:17:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:34,064 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 871 transitions. [2020-10-14 08:17:34,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:17:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 871 transitions. [2020-10-14 08:17:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 08:17:34,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:34,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:34,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 08:17:34,066 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1774628497, now seen corresponding path program 1 times [2020-10-14 08:17:34,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:34,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508485893] [2020-10-14 08:17:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:34,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:34,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:34,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:34,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:35,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 08:17:38,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:17:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4094 [2020-10-14 08:17:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-14 08:17:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,449 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:38,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:38,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:38,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:38,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:38,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:38,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:38,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:38,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:38,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:38,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508485893] [2020-10-14 08:17:38,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:38,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:17:38,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589660540] [2020-10-14 08:17:38,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:17:38,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:38,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:17:38,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:17:38,776 INFO L87 Difference]: Start difference. First operand 618 states and 871 transitions. Second operand 13 states. [2020-10-14 08:17:40,284 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:40,444 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:17:41,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:41,437 INFO L93 Difference]: Finished difference Result 1223 states and 1726 transitions. [2020-10-14 08:17:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:17:41,438 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-14 08:17:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:41,442 INFO L225 Difference]: With dead ends: 1223 [2020-10-14 08:17:41,442 INFO L226 Difference]: Without dead ends: 633 [2020-10-14 08:17:41,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:17:41,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-14 08:17:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2020-10-14 08:17:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-14 08:17:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 883 transitions. [2020-10-14 08:17:41,521 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 883 transitions. Word has length 94 [2020-10-14 08:17:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:41,522 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 883 transitions. [2020-10-14 08:17:41,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:17:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 883 transitions. [2020-10-14 08:17:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 08:17:41,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:41,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:41,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 08:17:41,525 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:41,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:41,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1967227723, now seen corresponding path program 1 times [2020-10-14 08:17:41,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:41,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641962] [2020-10-14 08:17:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4187 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:45,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:45,954 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:45,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:45,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:45,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:46,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:46,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:46,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:46,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:46,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:46,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:46,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:46,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:46,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:46,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:46,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:17:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:46,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:46,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641962] [2020-10-14 08:17:46,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:46,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:17:46,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741725195] [2020-10-14 08:17:46,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:17:46,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:46,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:17:46,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:17:46,298 INFO L87 Difference]: Start difference. First operand 633 states and 883 transitions. Second operand 13 states. [2020-10-14 08:17:47,818 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:47,984 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:17:48,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:48,896 INFO L93 Difference]: Finished difference Result 1253 states and 1759 transitions. [2020-10-14 08:17:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:17:48,897 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2020-10-14 08:17:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:48,901 INFO L225 Difference]: With dead ends: 1253 [2020-10-14 08:17:48,902 INFO L226 Difference]: Without dead ends: 648 [2020-10-14 08:17:48,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:17:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-10-14 08:17:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2020-10-14 08:17:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-14 08:17:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 895 transitions. [2020-10-14 08:17:48,966 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 895 transitions. Word has length 102 [2020-10-14 08:17:48,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:48,967 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 895 transitions. [2020-10-14 08:17:48,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:17:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 895 transitions. [2020-10-14 08:17:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:17:48,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:48,969 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:17:48,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 08:17:48,969 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:48,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:48,970 INFO L82 PathProgramCache]: Analyzing trace with hash -569732523, now seen corresponding path program 1 times [2020-10-14 08:17:48,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:48,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715166090] [2020-10-14 08:17:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 08:17:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:17:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,159 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:17:54,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:54,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:17:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:54,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:17:54,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:17:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:54,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:54,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:17:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:17:54,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:54,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:54,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:17:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:17:54,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:54,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:17:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:54,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:54,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:17:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:54,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:17:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:54,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:17:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:54,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:54,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:54,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:17:54,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715166090] [2020-10-14 08:17:54,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:54,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:17:54,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715469631] [2020-10-14 08:17:54,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:17:54,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:54,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:17:54,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:17:54,527 INFO L87 Difference]: Start difference. First operand 648 states and 895 transitions. Second operand 13 states. [2020-10-14 08:17:56,152 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:17:56,319 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:17:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:57,040 INFO L93 Difference]: Finished difference Result 1280 states and 1771 transitions. [2020-10-14 08:17:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:17:57,040 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-14 08:17:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:57,045 INFO L225 Difference]: With dead ends: 1280 [2020-10-14 08:17:57,046 INFO L226 Difference]: Without dead ends: 660 [2020-10-14 08:17:57,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:17:57,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-14 08:17:57,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2020-10-14 08:17:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-10-14 08:17:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 904 transitions. [2020-10-14 08:17:57,116 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 904 transitions. Word has length 110 [2020-10-14 08:17:57,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:57,117 INFO L479 AbstractCegarLoop]: Abstraction has 660 states and 904 transitions. [2020-10-14 08:17:57,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:17:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 904 transitions. [2020-10-14 08:17:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:17:57,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:57,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:57,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 08:17:57,120 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:57,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:57,121 INFO L82 PathProgramCache]: Analyzing trace with hash -2103567437, now seen corresponding path program 1 times [2020-10-14 08:17:57,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:57,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412565790] [2020-10-14 08:17:57,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:58,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:18:02,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:18:02,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:18:02,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 08:18:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,348 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:02,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:02,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:02,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:02,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:02,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:02,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:18:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:18:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:18:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:02,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:02,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:02,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:02,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:02,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:18:02,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412565790] [2020-10-14 08:18:02,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:02,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:18:02,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121339598] [2020-10-14 08:18:02,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:18:02,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:02,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:18:02,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:18:02,639 INFO L87 Difference]: Start difference. First operand 660 states and 904 transitions. Second operand 13 states. [2020-10-14 08:18:04,289 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:04,451 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:18:05,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:05,283 INFO L93 Difference]: Finished difference Result 1307 states and 1801 transitions. [2020-10-14 08:18:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:18:05,290 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-14 08:18:05,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:05,294 INFO L225 Difference]: With dead ends: 1307 [2020-10-14 08:18:05,294 INFO L226 Difference]: Without dead ends: 675 [2020-10-14 08:18:05,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:18:05,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-10-14 08:18:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2020-10-14 08:18:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-14 08:18:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 916 transitions. [2020-10-14 08:18:05,367 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 916 transitions. Word has length 110 [2020-10-14 08:18:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:05,369 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 916 transitions. [2020-10-14 08:18:05,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:18:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 916 transitions. [2020-10-14 08:18:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 08:18:05,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:05,372 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:05,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 08:18:05,373 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:05,373 INFO L82 PathProgramCache]: Analyzing trace with hash -594125963, now seen corresponding path program 1 times [2020-10-14 08:18:05,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:05,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829092695] [2020-10-14 08:18:05,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:06,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:18:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 08:18:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,576 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:18:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:18:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:10,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:18:10,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:10,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:18:10,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:18:10,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 08:18:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:10,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:18:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:10,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:10,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 08:18:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:18:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:11,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:11,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:11,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:11,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:11,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:11,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:18:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:11,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:18:11,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829092695] [2020-10-14 08:18:11,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:11,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 08:18:11,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760000200] [2020-10-14 08:18:11,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 08:18:11,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:11,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 08:18:11,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-14 08:18:11,050 INFO L87 Difference]: Start difference. First operand 675 states and 916 transitions. Second operand 17 states. [2020-10-14 08:18:11,227 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:18:13,028 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:14,766 INFO L93 Difference]: Finished difference Result 1470 states and 1983 transitions. [2020-10-14 08:18:14,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 08:18:14,766 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2020-10-14 08:18:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:14,773 INFO L225 Difference]: With dead ends: 1470 [2020-10-14 08:18:14,773 INFO L226 Difference]: Without dead ends: 823 [2020-10-14 08:18:14,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 08:18:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-10-14 08:18:14,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 802. [2020-10-14 08:18:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2020-10-14 08:18:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1083 transitions. [2020-10-14 08:18:14,864 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1083 transitions. Word has length 118 [2020-10-14 08:18:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:14,864 INFO L479 AbstractCegarLoop]: Abstraction has 802 states and 1083 transitions. [2020-10-14 08:18:14,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 08:18:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1083 transitions. [2020-10-14 08:18:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 08:18:14,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:14,867 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:14,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 08:18:14,867 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1788173450, now seen corresponding path program 1 times [2020-10-14 08:18:14,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:14,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495215141] [2020-10-14 08:18:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:14,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:14,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:16,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:18:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:18:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 08:18:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,041 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 08:18:20,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:18:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:20,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:20,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:18:20,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:20,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:18:20,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 08:18:20,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:18:20,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:18:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 08:18:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:18:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:20,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 08:18:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:18:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 08:18:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:20,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:20,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:20,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:18:20,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495215141] [2020-10-14 08:18:20,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:20,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 08:18:20,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122219648] [2020-10-14 08:18:20,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 08:18:20,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:20,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 08:18:20,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:18:20,431 INFO L87 Difference]: Start difference. First operand 802 states and 1083 transitions. Second operand 16 states. [2020-10-14 08:18:20,590 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:20,937 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:24,591 INFO L93 Difference]: Finished difference Result 1524 states and 2064 transitions. [2020-10-14 08:18:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 08:18:24,591 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 119 [2020-10-14 08:18:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:24,597 INFO L225 Difference]: With dead ends: 1524 [2020-10-14 08:18:24,598 INFO L226 Difference]: Without dead ends: 859 [2020-10-14 08:18:24,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 08:18:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-14 08:18:24,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 841. [2020-10-14 08:18:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-14 08:18:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1128 transitions. [2020-10-14 08:18:24,691 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1128 transitions. Word has length 119 [2020-10-14 08:18:24,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:24,692 INFO L479 AbstractCegarLoop]: Abstraction has 841 states and 1128 transitions. [2020-10-14 08:18:24,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 08:18:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1128 transitions. [2020-10-14 08:18:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 08:18:24,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:24,694 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:24,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 08:18:24,695 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:24,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:24,695 INFO L82 PathProgramCache]: Analyzing trace with hash -42747048, now seen corresponding path program 1 times [2020-10-14 08:18:24,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:24,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117044437] [2020-10-14 08:18:24,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:24,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 08:18:29,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:18:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:29,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,908 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:29,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:29,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:29,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:29,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:29,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:30,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:30,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:30,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 08:18:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:30,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:18:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:18:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 08:18:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:30,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:30,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 08:18:30,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117044437] [2020-10-14 08:18:30,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:30,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:18:30,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838458273] [2020-10-14 08:18:30,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:18:30,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:30,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:18:30,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:18:30,181 INFO L87 Difference]: Start difference. First operand 841 states and 1128 transitions. Second operand 13 states. [2020-10-14 08:18:32,003 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:32,172 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:18:32,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:32,726 INFO L93 Difference]: Finished difference Result 1515 states and 2046 transitions. [2020-10-14 08:18:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:18:32,729 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-14 08:18:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:32,733 INFO L225 Difference]: With dead ends: 1515 [2020-10-14 08:18:32,733 INFO L226 Difference]: Without dead ends: 859 [2020-10-14 08:18:32,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:18:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-14 08:18:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2020-10-14 08:18:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-14 08:18:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1143 transitions. [2020-10-14 08:18:32,830 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1143 transitions. Word has length 121 [2020-10-14 08:18:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:32,831 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1143 transitions. [2020-10-14 08:18:32,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:18:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1143 transitions. [2020-10-14 08:18:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 08:18:32,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:32,834 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:32,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 08:18:32,834 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1401725263, now seen corresponding path program 1 times [2020-10-14 08:18:32,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:32,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466157591] [2020-10-14 08:18:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:32,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:33,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:18:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 08:18:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:33,980 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:33,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:33,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:33,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:33,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:33,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:33,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:33,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:33,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:33,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:33,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:33,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:34,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:34,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:18:34,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:34,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 08:18:34,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:18:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:34,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:34,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:18:34,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466157591] [2020-10-14 08:18:34,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:34,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:18:34,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706682570] [2020-10-14 08:18:34,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:18:34,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:34,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:18:34,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:18:34,314 INFO L87 Difference]: Start difference. First operand 859 states and 1143 transitions. Second operand 15 states. [2020-10-14 08:18:34,619 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 08:18:37,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:37,884 INFO L93 Difference]: Finished difference Result 1560 states and 2082 transitions. [2020-10-14 08:18:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 08:18:37,885 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 126 [2020-10-14 08:18:37,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:37,890 INFO L225 Difference]: With dead ends: 1560 [2020-10-14 08:18:37,890 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 08:18:37,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 08:18:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 08:18:37,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 859. [2020-10-14 08:18:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-14 08:18:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1137 transitions. [2020-10-14 08:18:37,984 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1137 transitions. Word has length 126 [2020-10-14 08:18:37,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:37,984 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1137 transitions. [2020-10-14 08:18:37,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:18:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1137 transitions. [2020-10-14 08:18:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 08:18:37,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:37,987 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:37,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 08:18:37,987 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:37,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:37,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1293323960, now seen corresponding path program 1 times [2020-10-14 08:18:37,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:37,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024665901] [2020-10-14 08:18:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1136 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 08:18:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,282 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:39,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:18:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:39,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:18:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:39,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:18:39,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 08:18:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:39,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:39,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:18:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:39,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:39,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:39,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:39,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:39,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:39,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:18:39,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024665901] [2020-10-14 08:18:39,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:39,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 08:18:39,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37038147] [2020-10-14 08:18:39,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 08:18:39,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:39,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 08:18:39,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-14 08:18:39,653 INFO L87 Difference]: Start difference. First operand 859 states and 1137 transitions. Second operand 17 states. [2020-10-14 08:18:39,796 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:40,128 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:43,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:43,599 INFO L93 Difference]: Finished difference Result 1545 states and 2061 transitions. [2020-10-14 08:18:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 08:18:43,600 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 126 [2020-10-14 08:18:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:43,605 INFO L225 Difference]: With dead ends: 1545 [2020-10-14 08:18:43,605 INFO L226 Difference]: Without dead ends: 868 [2020-10-14 08:18:43,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 08:18:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-14 08:18:43,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 859. [2020-10-14 08:18:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-14 08:18:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1134 transitions. [2020-10-14 08:18:43,740 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1134 transitions. Word has length 126 [2020-10-14 08:18:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:43,740 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1134 transitions. [2020-10-14 08:18:43,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 08:18:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1134 transitions. [2020-10-14 08:18:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 08:18:43,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:43,745 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:43,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 08:18:43,745 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:43,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1156326944, now seen corresponding path program 1 times [2020-10-14 08:18:43,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:43,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950401363] [2020-10-14 08:18:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:43,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 08:18:44,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-14 08:18:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:18:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:18:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:18:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,333 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 08:18:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:18:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:18:44,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 08:18:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:44,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:44,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:18:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:18:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:18:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 08:18:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:44,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:44,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:18:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:18:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:18:44,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:18:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:18:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 08:18:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:44,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:18:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:18:44,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:44,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:44,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:44,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:44,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 08:18:44,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950401363] [2020-10-14 08:18:44,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:18:44,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 08:18:44,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057938423] [2020-10-14 08:18:44,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 08:18:44,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:44,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 08:18:44,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:18:44,735 INFO L87 Difference]: Start difference. First operand 859 states and 1134 transitions. Second operand 16 states. [2020-10-14 08:18:44,913 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:18:45,126 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:18:45,279 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:18:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:47,761 INFO L93 Difference]: Finished difference Result 1695 states and 2234 transitions. [2020-10-14 08:18:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:18:47,761 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 127 [2020-10-14 08:18:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:47,766 INFO L225 Difference]: With dead ends: 1695 [2020-10-14 08:18:47,766 INFO L226 Difference]: Without dead ends: 859 [2020-10-14 08:18:47,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2020-10-14 08:18:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-14 08:18:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2020-10-14 08:18:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-14 08:18:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1122 transitions. [2020-10-14 08:18:47,855 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1122 transitions. Word has length 127 [2020-10-14 08:18:47,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:47,855 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1122 transitions. [2020-10-14 08:18:47,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 08:18:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1122 transitions. [2020-10-14 08:18:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 08:18:47,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:47,858 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:18:47,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 08:18:47,858 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:47,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1000804844, now seen corresponding path program 1 times [2020-10-14 08:18:47,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:47,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140480759] [2020-10-14 08:18:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:47,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:18:51,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3239 [2020-10-14 08:18:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:18:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:18:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 08:18:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,285 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:18:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:51,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:51,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:18:51,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:18:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:51,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:51,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:18:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:18:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:18:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 08:18:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:18:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:18:51,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:18:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:18:51,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:18:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:18:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:18:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:51,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:51,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:18:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:51,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:18:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 08:18:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:18:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:18:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:51,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:18:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:51,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:18:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:51,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:18:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:18:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:51,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:51,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:18:51,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140480759] [2020-10-14 08:18:51,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:51,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:18:51,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126934635] [2020-10-14 08:18:51,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:18:51,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:51,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:18:51,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:18:51,783 INFO L87 Difference]: Start difference. First operand 859 states and 1122 transitions. Second operand 19 states. [2020-10-14 08:18:51,992 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:18:52,157 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:53,111 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:18:54,195 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:18:54,418 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-14 08:18:54,976 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:55,243 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:55,483 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:56,260 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-14 08:18:57,620 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:18:57,789 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:18:57,934 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:18:58,108 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:18:58,271 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 08:18:58,586 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:19:01,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:01,161 INFO L93 Difference]: Finished difference Result 2136 states and 2790 transitions. [2020-10-14 08:19:01,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 08:19:01,161 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2020-10-14 08:19:01,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:01,169 INFO L225 Difference]: With dead ends: 2136 [2020-10-14 08:19:01,169 INFO L226 Difference]: Without dead ends: 1468 [2020-10-14 08:19:01,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 08:19:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2020-10-14 08:19:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1376. [2020-10-14 08:19:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2020-10-14 08:19:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1780 transitions. [2020-10-14 08:19:01,341 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1780 transitions. Word has length 138 [2020-10-14 08:19:01,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:01,341 INFO L479 AbstractCegarLoop]: Abstraction has 1376 states and 1780 transitions. [2020-10-14 08:19:01,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:19:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1780 transitions. [2020-10-14 08:19:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 08:19:01,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:01,344 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:19:01,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 08:19:01,344 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:01,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:01,345 INFO L82 PathProgramCache]: Analyzing trace with hash 741204332, now seen corresponding path program 1 times [2020-10-14 08:19:01,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:01,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797749441] [2020-10-14 08:19:01,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-14 08:19:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:19:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,752 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:01,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:01,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:01,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:01,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:01,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:19:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:01,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:02,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:19:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:02,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 08:19:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:19:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:02,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 08:19:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:02,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:02,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 08:19:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 08:19:02,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797749441] [2020-10-14 08:19:02,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:02,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 08:19:02,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951428000] [2020-10-14 08:19:02,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 08:19:02,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:02,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 08:19:02,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-14 08:19:02,038 INFO L87 Difference]: Start difference. First operand 1376 states and 1780 transitions. Second operand 13 states. [2020-10-14 08:19:03,626 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:19:03,774 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:04,638 INFO L93 Difference]: Finished difference Result 2482 states and 3241 transitions. [2020-10-14 08:19:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:19:04,639 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-14 08:19:04,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:04,646 INFO L225 Difference]: With dead ends: 2482 [2020-10-14 08:19:04,646 INFO L226 Difference]: Without dead ends: 1388 [2020-10-14 08:19:04,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:19:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-10-14 08:19:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1382. [2020-10-14 08:19:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-10-14 08:19:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1767 transitions. [2020-10-14 08:19:04,790 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1767 transitions. Word has length 140 [2020-10-14 08:19:04,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:04,790 INFO L479 AbstractCegarLoop]: Abstraction has 1382 states and 1767 transitions. [2020-10-14 08:19:04,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 08:19:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1767 transitions. [2020-10-14 08:19:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 08:19:04,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:04,793 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 08:19:04,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 08:19:04,793 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash 723431665, now seen corresponding path program 1 times [2020-10-14 08:19:04,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:04,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662786925] [2020-10-14 08:19:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:09,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:09,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 08:19:09,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:19:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 08:19:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:09,980 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:09,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:09,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:09,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:09,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:19:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:19:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:19:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:10,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 08:19:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:19:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:19:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:19:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:10,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:10,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:10,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:19:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:19:10,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:10,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 08:19:10,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 08:19:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:19:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:10,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:10,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:10,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:19:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:10,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:10,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:10,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:19:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:10,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:10,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:10,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:10,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:19:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:10,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:10,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:10,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:10,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:10,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:10,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:10,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:10,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 08:19:10,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662786925] [2020-10-14 08:19:10,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:10,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:19:10,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812465863] [2020-10-14 08:19:10,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:19:10,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:19:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:19:10,722 INFO L87 Difference]: Start difference. First operand 1382 states and 1767 transitions. Second operand 19 states. [2020-10-14 08:19:10,944 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:11,121 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:19:12,126 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:19:13,559 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:15,413 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:19:15,678 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:19:15,864 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 08:19:16,050 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 08:19:16,224 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:19:17,133 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:18,035 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-14 08:19:18,619 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:18,912 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 142 [2020-10-14 08:19:19,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:19,895 INFO L93 Difference]: Finished difference Result 3336 states and 4264 transitions. [2020-10-14 08:19:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 08:19:19,895 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 141 [2020-10-14 08:19:19,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:19,906 INFO L225 Difference]: With dead ends: 3336 [2020-10-14 08:19:19,907 INFO L226 Difference]: Without dead ends: 2287 [2020-10-14 08:19:19,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 08:19:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2020-10-14 08:19:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 1919. [2020-10-14 08:19:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1919 states. [2020-10-14 08:19:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2454 transitions. [2020-10-14 08:19:20,135 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2454 transitions. Word has length 141 [2020-10-14 08:19:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:20,135 INFO L479 AbstractCegarLoop]: Abstraction has 1919 states and 2454 transitions. [2020-10-14 08:19:20,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:19:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2454 transitions. [2020-10-14 08:19:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 08:19:20,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:20,138 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-14 08:19:20,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 08:19:20,138 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:20,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:20,139 INFO L82 PathProgramCache]: Analyzing trace with hash 162370640, now seen corresponding path program 1 times [2020-10-14 08:19:20,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:20,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062531334] [2020-10-14 08:19:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1939 [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 08:19:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:19:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 08:19:22,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,273 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:22,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 08:19:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:19:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:22,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:22,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:19:22,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:19:22,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:22,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:22,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:19:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 08:19:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:22,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:22,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:19:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 08:19:22,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:19:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:19:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:22,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:19:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:22,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:19:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 08:19:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 08:19:22,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062531334] [2020-10-14 08:19:22,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:22,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-14 08:19:22,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917392315] [2020-10-14 08:19:22,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 08:19:22,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:22,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 08:19:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:19:22,823 INFO L87 Difference]: Start difference. First operand 1919 states and 2454 transitions. Second operand 19 states. [2020-10-14 08:19:23,057 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:23,246 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:19:24,741 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:19:25,766 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:27,543 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:19:27,892 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 08:19:28,093 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-14 08:19:28,309 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-14 08:19:28,511 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:19:31,469 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:32,229 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:32,554 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2020-10-14 08:19:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:33,331 INFO L93 Difference]: Finished difference Result 4236 states and 5395 transitions. [2020-10-14 08:19:33,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 08:19:33,332 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 146 [2020-10-14 08:19:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:33,345 INFO L225 Difference]: With dead ends: 4236 [2020-10-14 08:19:33,346 INFO L226 Difference]: Without dead ends: 2662 [2020-10-14 08:19:33,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=614, Invalid=2248, Unknown=0, NotChecked=0, Total=2862 [2020-10-14 08:19:33,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2020-10-14 08:19:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 1956. [2020-10-14 08:19:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2020-10-14 08:19:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2489 transitions. [2020-10-14 08:19:33,555 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2489 transitions. Word has length 146 [2020-10-14 08:19:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:33,555 INFO L479 AbstractCegarLoop]: Abstraction has 1956 states and 2489 transitions. [2020-10-14 08:19:33,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 08:19:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2489 transitions. [2020-10-14 08:19:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 08:19:33,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:33,556 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-14 08:19:33,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 08:19:33,557 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash 981502446, now seen corresponding path program 1 times [2020-10-14 08:19:33,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:33,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41111609] [2020-10-14 08:19:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 08:19:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 08:19:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,283 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:34,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:34,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:34,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:19:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:19:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:34,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:19:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:34,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:19:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:34,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:34,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:19:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:34,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:19:34,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:19:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:19:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:19:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 08:19:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 08:19:34,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41111609] [2020-10-14 08:19:34,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:34,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:19:34,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343325474] [2020-10-14 08:19:34,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:19:34,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:34,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:19:34,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:19:34,660 INFO L87 Difference]: Start difference. First operand 1956 states and 2489 transitions. Second operand 14 states. [2020-10-14 08:19:34,823 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 08:19:35,294 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-14 08:19:35,994 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-14 08:19:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:41,315 INFO L93 Difference]: Finished difference Result 6774 states and 8718 transitions. [2020-10-14 08:19:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 08:19:41,315 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-14 08:19:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:41,339 INFO L225 Difference]: With dead ends: 6774 [2020-10-14 08:19:41,339 INFO L226 Difference]: Without dead ends: 5076 [2020-10-14 08:19:41,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 08:19:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-10-14 08:19:41,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 4749. [2020-10-14 08:19:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-14 08:19:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 6066 transitions. [2020-10-14 08:19:41,857 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 6066 transitions. Word has length 147 [2020-10-14 08:19:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:41,857 INFO L479 AbstractCegarLoop]: Abstraction has 4749 states and 6066 transitions. [2020-10-14 08:19:41,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:19:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 6066 transitions. [2020-10-14 08:19:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 08:19:41,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:41,860 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-10-14 08:19:41,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 08:19:41,860 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:41,860 INFO L82 PathProgramCache]: Analyzing trace with hash -261787196, now seen corresponding path program 1 times [2020-10-14 08:19:41,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:41,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529740509] [2020-10-14 08:19:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 08:19:42,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-14 08:19:42,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:19:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 08:19:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 08:19:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,670 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:42,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:42,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:42,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:42,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:42,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:42,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:19:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:42,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:42,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 08:19:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:19:42,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:42,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:42,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:42,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:42,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:42,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:19:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 08:19:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 08:19:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 08:19:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 08:19:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:43,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:43,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:43,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 08:19:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 08:19:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:19:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 08:19:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:43,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:43,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:43,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:43,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:43,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 08:19:43,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529740509] [2020-10-14 08:19:43,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:43,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-14 08:19:43,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467175043] [2020-10-14 08:19:43,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 08:19:43,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:43,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 08:19:43,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-14 08:19:43,178 INFO L87 Difference]: Start difference. First operand 4749 states and 6066 transitions. Second operand 18 states. [2020-10-14 08:19:43,396 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:43,577 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:44,864 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 08:19:47,383 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:47,546 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:47,732 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:47,914 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:48,081 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:48,247 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-14 08:19:48,793 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-14 08:19:50,974 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-14 08:19:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:53,120 INFO L93 Difference]: Finished difference Result 9137 states and 11945 transitions. [2020-10-14 08:19:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 08:19:53,120 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-14 08:19:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:53,144 INFO L225 Difference]: With dead ends: 9137 [2020-10-14 08:19:53,145 INFO L226 Difference]: Without dead ends: 4830 [2020-10-14 08:19:53,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=470, Invalid=1692, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 08:19:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2020-10-14 08:19:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4178. [2020-10-14 08:19:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4178 states. [2020-10-14 08:19:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 4178 states and 5385 transitions. [2020-10-14 08:19:53,900 INFO L78 Accepts]: Start accepts. Automaton has 4178 states and 5385 transitions. Word has length 148 [2020-10-14 08:19:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:53,901 INFO L479 AbstractCegarLoop]: Abstraction has 4178 states and 5385 transitions. [2020-10-14 08:19:53,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 08:19:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4178 states and 5385 transitions. [2020-10-14 08:19:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 08:19:53,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:53,903 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-10-14 08:19:53,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 08:19:53,904 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:53,904 INFO L82 PathProgramCache]: Analyzing trace with hash -314853532, now seen corresponding path program 1 times [2020-10-14 08:19:53,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:53,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677326764] [2020-10-14 08:19:53,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 08:19:54,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 08:19:54,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,408 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:19:54,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 08:19:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 08:19:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:54,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:19:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:54,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 08:19:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 08:19:54,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:19:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:19:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 08:19:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:54,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 08:19:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:54,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:19:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 08:19:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 08:19:54,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:54,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 08:19:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 08:19:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:54,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:54,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:19:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 08:19:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:54,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:54,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 08:19:55,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677326764] [2020-10-14 08:19:55,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:55,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-14 08:19:55,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859528514] [2020-10-14 08:19:55,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 08:19:55,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:55,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 08:19:55,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-14 08:19:55,036 INFO L87 Difference]: Start difference. First operand 4178 states and 5385 transitions. Second operand 18 states. [2020-10-14 08:19:55,273 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-14 08:19:55,473 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 08:19:57,475 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-14 08:19:59,373 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142