/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 SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:22:37,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:22:37,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:22:37,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:22:37,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:22:37,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:22:37,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:22:37,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:22:37,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:22:37,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:22:37,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:22:37,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:22:37,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:22:37,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:22:37,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:22:37,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:22:37,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:22:37,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:22:37,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:22:37,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:22:37,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:22:37,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:22:37,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:22:37,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:22:37,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:22:37,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:22:37,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:22:37,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:22:37,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:22:37,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:22:37,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:22:37,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:22:37,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:22:37,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:22:37,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:22:37,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:22:37,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:22:37,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:22:37,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:22:37,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:22:37,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:22:37,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:22:37,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:22:37,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:22:37,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:22:37,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:22:37,637 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:22:37,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:22:37,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:22:37,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:22:37,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:22:37,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:22:37,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:22:37,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:22:37,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:22:37,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:22:37,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:22:37,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:22:37,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:22:37,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:22:37,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:22:37,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:22:37,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:22:37,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:22:37,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:22:37,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:22:37,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:22:37,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:22:37,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:22:37,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:22:37,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:22:37,643 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 -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 05:22:38,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:22:38,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:22:38,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:22:38,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:22:38,105 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:22:38,106 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 05:22:38,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e316c6fe6/4bc5f81e9ff14fe9ad4f90b21489e561/FLAG7b6f10767 [2020-09-25 05:22:38,816 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:22:38,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 05:22:38,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e316c6fe6/4bc5f81e9ff14fe9ad4f90b21489e561/FLAG7b6f10767 [2020-09-25 05:22:39,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e316c6fe6/4bc5f81e9ff14fe9ad4f90b21489e561 [2020-09-25 05:22:39,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:22:39,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:22:39,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:39,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:22:39,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:22:39,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c71fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39, skipping insertion in model container [2020-09-25 05:22:39,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:22:39,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:22:39,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:39,607 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:22:39,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:39,895 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:22:39,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39 WrapperNode [2020-09-25 05:22:39,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:39,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:22:39,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:22:39,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:22:39,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... [2020-09-25 05:22:39,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:22:39,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:22:39,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:22:39,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:22:39,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:22:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:22:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:22:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:22:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:22:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:22:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:22:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:22:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:22:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:22:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:22:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:22:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:22:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:22:41,249 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:22:41,250 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:22:41,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:41 BoogieIcfgContainer [2020-09-25 05:22:41,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:22:41,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:22:41,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:22:41,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:22:41,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:22:39" (1/3) ... [2020-09-25 05:22:41,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a5842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:41, skipping insertion in model container [2020-09-25 05:22:41,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:39" (2/3) ... [2020-09-25 05:22:41,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a5842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:41, skipping insertion in model container [2020-09-25 05:22:41,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:41" (3/3) ... [2020-09-25 05:22:41,269 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-09-25 05:22:41,283 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:22:41,295 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:22:41,336 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:22:41,384 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:22:41,385 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:22:41,385 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:22:41,385 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:22:41,386 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:22:41,386 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:22:41,386 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:22:41,387 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:22:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-25 05:22:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:22:41,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:41,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:41,463 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:41,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1646918823, now seen corresponding path program 1 times [2020-09-25 05:22:41,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:41,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974280233] [2020-09-25 05:22:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:42,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:44,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:46,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:22:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:22:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:46,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:22:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 05:22:47,465 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:47,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 05:22:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:47,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:47,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:47,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:47,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:47,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:47,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:22:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:47,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:47,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:47,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:47,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:22:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:47,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:47,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:22:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:47,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:47,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:47,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:47,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:47,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:47,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:47,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:47,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974280233] [2020-09-25 05:22:47,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:47,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:22:47,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506678266] [2020-09-25 05:22:47,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:22:47,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:47,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:22:47,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:47,851 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 4 states. [2020-09-25 05:22:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:49,269 INFO L93 Difference]: Finished difference Result 515 states and 603 transitions. [2020-09-25 05:22:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:22:49,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:22:49,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:49,318 INFO L225 Difference]: With dead ends: 515 [2020-09-25 05:22:49,318 INFO L226 Difference]: Without dead ends: 323 [2020-09-25 05:22:49,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-25 05:22:49,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 277. [2020-09-25 05:22:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-25 05:22:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 302 transitions. [2020-09-25 05:22:49,439 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 302 transitions. Word has length 160 [2020-09-25 05:22:49,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:49,440 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 302 transitions. [2020-09-25 05:22:49,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:22:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 302 transitions. [2020-09-25 05:22:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:22:49,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:49,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:49,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:22:49,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:49,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1672652917, now seen corresponding path program 1 times [2020-09-25 05:22:49,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:49,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877087252] [2020-09-25 05:22:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:50,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:54,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:54,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:22:54,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:54,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 05:22:54,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:54,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 05:22:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 05:22:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:54,900 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:54,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 05:22:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 05:22:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:55,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:55,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:22:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:55,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:22:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:55,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:22:55,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:55,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:55,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:22:55,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:55,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:22:55,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:22:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:55,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:55,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:55,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:22:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:55,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:55,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:55,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:55,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:55,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:55,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:55,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877087252] [2020-09-25 05:22:55,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:55,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:22:55,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086099735] [2020-09-25 05:22:55,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:22:55,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:22:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:22:55,374 INFO L87 Difference]: Start difference. First operand 277 states and 302 transitions. Second operand 5 states. [2020-09-25 05:22:56,112 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:57,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:57,019 INFO L93 Difference]: Finished difference Result 485 states and 555 transitions. [2020-09-25 05:22:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:22:57,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:22:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:57,024 INFO L225 Difference]: With dead ends: 485 [2020-09-25 05:22:57,025 INFO L226 Difference]: Without dead ends: 323 [2020-09-25 05:22:57,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:22:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-25 05:22:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 277. [2020-09-25 05:22:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-25 05:22:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 301 transitions. [2020-09-25 05:22:57,079 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 301 transitions. Word has length 161 [2020-09-25 05:22:57,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:57,079 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 301 transitions. [2020-09-25 05:22:57,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:22:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2020-09-25 05:22:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 05:22:57,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:57,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:57,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:22:57,083 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:57,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1907489057, now seen corresponding path program 1 times [2020-09-25 05:22:57,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:57,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94533553] [2020-09-25 05:22:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:57,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:57,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:00,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 05:23:02,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 05:23:02,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 05:23:02,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 05:23:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:02,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,582 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:02,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:02,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 05:23:02,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:02,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:02,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:02,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:02,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:02,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:02,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:23:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:02,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:02,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:23:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:23:02,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:23:02,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:23:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:23:02,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:23:02,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:23:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:23:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:02,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:02,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:02,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:23:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 05:23:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:02,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 05:23:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:02,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:02,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:02,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:02,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:02,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:02,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:02,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:02,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:02,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:02,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:03,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94533553] [2020-09-25 05:23:03,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:03,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:23:03,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528001175] [2020-09-25 05:23:03,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:23:03,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:03,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:23:03,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:23:03,032 INFO L87 Difference]: Start difference. First operand 277 states and 301 transitions. Second operand 7 states. [2020-09-25 05:23:03,559 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:05,643 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:06,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:06,746 INFO L93 Difference]: Finished difference Result 679 states and 807 transitions. [2020-09-25 05:23:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:23:06,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 05:23:06,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:06,757 INFO L225 Difference]: With dead ends: 679 [2020-09-25 05:23:06,758 INFO L226 Difference]: Without dead ends: 517 [2020-09-25 05:23:06,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:23:06,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-09-25 05:23:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 431. [2020-09-25 05:23:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-09-25 05:23:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 480 transitions. [2020-09-25 05:23:06,830 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 480 transitions. Word has length 183 [2020-09-25 05:23:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:06,831 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 480 transitions. [2020-09-25 05:23:06,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:23:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 480 transitions. [2020-09-25 05:23:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 05:23:06,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:06,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:06,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:23:06,835 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:06,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:06,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1733292252, now seen corresponding path program 1 times [2020-09-25 05:23:06,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:06,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043420164] [2020-09-25 05:23:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:09,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:11,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:11,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 05:23:11,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:23:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 05:23:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:11,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:23:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 05:23:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 05:23:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,265 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 05:23:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:12,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:12,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:12,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:12,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:12,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:12,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:23:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:12,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:12,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:12,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:23:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:12,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:23:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:23:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1158 [2020-09-25 05:23:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:13,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:23:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:13,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:13,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:23:14,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:23:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-09-25 05:23:14,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:23:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:23:14,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:14,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 05:23:14,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:23:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:23:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:23:14,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:14,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:23:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:14,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:14,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:23:14,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 05:23:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:14,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:14,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 05:23:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:14,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:23:14,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043420164] [2020-09-25 05:23:14,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:14,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:23:14,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425771271] [2020-09-25 05:23:14,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:23:14,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:14,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:23:14,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:23:14,455 INFO L87 Difference]: Start difference. First operand 431 states and 480 transitions. Second operand 10 states. [2020-09-25 05:23:14,981 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:23:16,028 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 05:23:16,666 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 05:23:18,190 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:23:18,516 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 05:23:18,893 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:19,395 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:23:19,724 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:23:20,029 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:23:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:20,847 INFO L93 Difference]: Finished difference Result 822 states and 964 transitions. [2020-09-25 05:23:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 05:23:20,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-25 05:23:20,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:20,852 INFO L225 Difference]: With dead ends: 822 [2020-09-25 05:23:20,852 INFO L226 Difference]: Without dead ends: 506 [2020-09-25 05:23:20,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-09-25 05:23:20,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-09-25 05:23:20,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 430. [2020-09-25 05:23:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-09-25 05:23:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 477 transitions. [2020-09-25 05:23:20,926 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 477 transitions. Word has length 207 [2020-09-25 05:23:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:20,927 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 477 transitions. [2020-09-25 05:23:20,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:23:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 477 transitions. [2020-09-25 05:23:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 05:23:20,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:20,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:20,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:23:20,931 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:20,931 INFO L82 PathProgramCache]: Analyzing trace with hash 859235210, now seen corresponding path program 1 times [2020-09-25 05:23:20,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:20,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015877267] [2020-09-25 05:23:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:22,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:22,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 05:23:22,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:22,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-09-25 05:23:22,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:22,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:23:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:23:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:22,921 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 05:23:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:23,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:23,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:23,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:23,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:23,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:23:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:23,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:23:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:23,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 05:23:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 05:23:23,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 05:23:23,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 05:23:23,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:23:23,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 05:23:23,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:23:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:23:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:23:23,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:23:23,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:23:23,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:23:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:23,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:23,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 05:23:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:23,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 05:23:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:23,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:23,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:23,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:23,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:23,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:23,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:23,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015877267] [2020-09-25 05:23:23,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:23,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:23:23,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266651986] [2020-09-25 05:23:23,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:23:23,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:23,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:23:23,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:23:23,573 INFO L87 Difference]: Start difference. First operand 430 states and 477 transitions. Second operand 6 states. [2020-09-25 05:23:24,340 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190