/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=0.2 --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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:13:51,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:13:51,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:13:51,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:13:51,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:13:52,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:13:52,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:13:52,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:13:52,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:13:52,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:13:52,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:13:52,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:13:52,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:13:52,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:13:52,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:13:52,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:13:52,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:13:52,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:13:52,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:13:52,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:13:52,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:13:52,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:13:52,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:13:52,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:13:52,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:13:52,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:13:52,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:13:52,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:13:52,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:13:52,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:13:52,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:13:52,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:13:52,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:13:52,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:13:52,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:13:52,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:13:52,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:13:52,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:13:52,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:13:52,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:13:52,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:13:52,058 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 04:13:52,111 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:13:52,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:13:52,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:13:52,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:13:52,115 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:13:52,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:13:52,116 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:13:52,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:13:52,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:13:52,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:13:52,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:13:52,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:13:52,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:13:52,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:13:52,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:13:52,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:13:52,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:13:52,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:13:52,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:13:52,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:13:52,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:13:52,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:13:52,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:13:52,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:13:52,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:13:52,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:13:52,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:13:52,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:13:52,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:13:52,122 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 04:13:52,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:13:52,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:13:52,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:13:52,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:13:52,623 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:13:52,624 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 04:13:52,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbb30cc2e/67de33c9cc0b4aed85f6f883aac3035d/FLAG0e879ff69 [2020-09-25 04:13:53,315 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:13:53,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 04:13:53,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbb30cc2e/67de33c9cc0b4aed85f6f883aac3035d/FLAG0e879ff69 [2020-09-25 04:13:53,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbb30cc2e/67de33c9cc0b4aed85f6f883aac3035d [2020-09-25 04:13:53,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:13:53,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:13:53,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:53,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:13:53,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:13:53,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:53" (1/1) ... [2020-09-25 04:13:53,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:53, skipping insertion in model container [2020-09-25 04:13:53,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:53" (1/1) ... [2020-09-25 04:13:53,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:13:53,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:13:54,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:54,188 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:13:54,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:54,382 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:13:54,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54 WrapperNode [2020-09-25 04:13:54,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:54,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:13:54,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:13:54,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:13:54,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (1/1) ... [2020-09-25 04:13:54,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:13:54,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:13:54,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:13:54,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:13:54,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (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 04:13:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:13:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:13:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:13:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:13:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:13:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:13:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:13:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:13:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:13:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:13:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:13:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:13:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:13:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:13:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:13:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:13:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:13:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:13:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:13:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:13:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:13:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:13:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:13:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:13:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:13:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:13:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:13:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:13:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:13:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:13:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:13:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:13:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:13:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:13:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:13:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:13:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:13:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:13:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:13:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:13:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:13:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:13:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:13:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:13:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:13:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:13:55,961 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:13:55,961 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:13:55,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:55 BoogieIcfgContainer [2020-09-25 04:13:55,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:13:55,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:13:55,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:13:55,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:13:55,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:13:53" (1/3) ... [2020-09-25 04:13:55,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c77205e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:55, skipping insertion in model container [2020-09-25 04:13:55,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:54" (2/3) ... [2020-09-25 04:13:55,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c77205e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:55, skipping insertion in model container [2020-09-25 04:13:55,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:55" (3/3) ... [2020-09-25 04:13:55,978 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-09-25 04:13:55,990 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:13:56,002 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:13:56,026 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:13:56,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:13:56,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:13:56,062 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:13:56,063 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:13:56,063 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:13:56,063 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:13:56,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:13:56,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:13:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-25 04:13:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:13:56,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:13:56,116 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 04:13:56,117 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:13:56,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:13:56,125 INFO L82 PathProgramCache]: Analyzing trace with hash 339982816, now seen corresponding path program 1 times [2020-09-25 04:13:56,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:13:56,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277907197] [2020-09-25 04:13:56,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:13:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:56,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:01,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:01,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:14:01,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:14:01,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 04:14:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:01,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:14:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 04:14:02,232 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:02,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-25 04:14:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:02,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:02,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:02,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:02,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:02,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:02,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:02,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:02,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:02,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:02,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:14:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:02,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:14:02,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:02,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:02,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:02,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:14:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:02,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:02,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:14:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:02,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:02,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:02,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:02,638 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 04:14:02,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277907197] [2020-09-25 04:14:02,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:02,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:14:02,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632673132] [2020-09-25 04:14:02,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:14:02,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:02,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:14:02,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:02,676 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 4 states. [2020-09-25 04:14:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:04,056 INFO L93 Difference]: Finished difference Result 493 states and 574 transitions. [2020-09-25 04:14:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:14:04,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:14:04,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:04,081 INFO L225 Difference]: With dead ends: 493 [2020-09-25 04:14:04,081 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 04:14:04,088 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 04:14:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 04:14:04,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 266. [2020-09-25 04:14:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-25 04:14:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 287 transitions. [2020-09-25 04:14:04,234 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 287 transitions. Word has length 160 [2020-09-25 04:14:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:04,238 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 287 transitions. [2020-09-25 04:14:04,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:14:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 287 transitions. [2020-09-25 04:14:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:14:04,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:04,246 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 04:14:04,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:14:04,247 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:04,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:04,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1492853456, now seen corresponding path program 1 times [2020-09-25 04:14:04,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:04,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747631345] [2020-09-25 04:14:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:04,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:14:09,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 04:14:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:09,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:09,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:14:09,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:09,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:09,769 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:09,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:09,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 04:14:09,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:09,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:09,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:09,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:09,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:09,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:09,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:09,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:09,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:09,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:10,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:10,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:10,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:10,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:10,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:14:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:10,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:10,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:14:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:10,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:10,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:10,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:10,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:10,137 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 04:14:10,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747631345] [2020-09-25 04:14:10,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:10,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:14:10,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955873434] [2020-09-25 04:14:10,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:14:10,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:10,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:14:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:14:10,146 INFO L87 Difference]: Start difference. First operand 266 states and 287 transitions. Second operand 5 states. [2020-09-25 04:14:11,072 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:14:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:12,001 INFO L93 Difference]: Finished difference Result 418 states and 466 transitions. [2020-09-25 04:14:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:14:12,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:14:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:12,006 INFO L225 Difference]: With dead ends: 418 [2020-09-25 04:14:12,007 INFO L226 Difference]: Without dead ends: 301 [2020-09-25 04:14:12,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 04:14:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-25 04:14:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 256. [2020-09-25 04:14:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-25 04:14:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 274 transitions. [2020-09-25 04:14:12,057 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 274 transitions. Word has length 161 [2020-09-25 04:14:12,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:12,058 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 274 transitions. [2020-09-25 04:14:12,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:14:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 274 transitions. [2020-09-25 04:14:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:14:12,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:12,060 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] [2020-09-25 04:14:12,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:14:12,061 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:12,061 INFO L82 PathProgramCache]: Analyzing trace with hash -286261696, now seen corresponding path program 1 times [2020-09-25 04:14:12,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:12,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605240209] [2020-09-25 04:14:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:12,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:14,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 04:14:17,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:14:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 04:14:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:14:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:14:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,451 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 04:14:17,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:17,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:17,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:17,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:17,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:17,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:17,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:17,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:17,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:14:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:17,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:14:17,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:14:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:17,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:14:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:14:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:14:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:14:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:17,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:17,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:17,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:17,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:17,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:17,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:17,790 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 04:14:17,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605240209] [2020-09-25 04:14:17,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:17,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:14:17,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655329887] [2020-09-25 04:14:17,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:14:17,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:17,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:14:17,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:14:17,795 INFO L87 Difference]: Start difference. First operand 256 states and 274 transitions. Second operand 6 states. [2020-09-25 04:14:18,321 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:19,353 INFO L93 Difference]: Finished difference Result 465 states and 531 transitions. [2020-09-25 04:14:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:14:19,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:14:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:19,359 INFO L225 Difference]: With dead ends: 465 [2020-09-25 04:14:19,359 INFO L226 Difference]: Without dead ends: 324 [2020-09-25 04:14:19,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:14:19,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-25 04:14:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 256. [2020-09-25 04:14:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-25 04:14:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2020-09-25 04:14:19,397 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 174 [2020-09-25 04:14:19,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:19,398 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2020-09-25 04:14:19,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:14:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2020-09-25 04:14:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-25 04:14:19,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:19,400 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] [2020-09-25 04:14:19,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:14:19,401 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:19,401 INFO L82 PathProgramCache]: Analyzing trace with hash 24909347, now seen corresponding path program 1 times [2020-09-25 04:14:19,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:19,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846040660] [2020-09-25 04:14:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:19,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:22,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-25 04:14:24,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:14:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 04:14:24,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 04:14:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,815 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 04:14:24,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:24,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:24,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:24,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:24,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:24,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:24,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:24,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:24,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:24,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:24,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:24,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:25,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:25,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:14:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:25,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:25,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:14:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:25,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:25,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:25,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:14:25,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:14:25,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:14:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:14:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:25,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:25,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 04:14:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:25,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:25,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 04:14:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:25,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:25,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:25,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:25,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:25,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:25,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:25,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:25,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:25,303 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 04:14:25,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846040660] [2020-09-25 04:14:25,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:25,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:14:25,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091729126] [2020-09-25 04:14:25,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:14:25,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:25,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:14:25,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:14:25,309 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand 9 states. [2020-09-25 04:14:26,122 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:28,380 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:14:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:28,953 INFO L93 Difference]: Finished difference Result 645 states and 764 transitions. [2020-09-25 04:14:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 04:14:28,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2020-09-25 04:14:28,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:28,960 INFO L225 Difference]: With dead ends: 645 [2020-09-25 04:14:28,960 INFO L226 Difference]: Without dead ends: 504 [2020-09-25 04:14:28,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2020-09-25 04:14:28,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-09-25 04:14:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 366. [2020-09-25 04:14:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-25 04:14:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 396 transitions. [2020-09-25 04:14:29,023 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 396 transitions. Word has length 182 [2020-09-25 04:14:29,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:29,024 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 396 transitions. [2020-09-25 04:14:29,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:14:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 396 transitions. [2020-09-25 04:14:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 04:14:29,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:29,027 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] [2020-09-25 04:14:29,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:14:29,028 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:29,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1649506493, now seen corresponding path program 1 times [2020-09-25 04:14:29,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:29,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117074348] [2020-09-25 04:14:29,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:31,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:31,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-25 04:14:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 04:14:34,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:14:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 04:14:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 04:14:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:34,466 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:34,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:34,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:34,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:34,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:34,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:34,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:34,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:14:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:34,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:14:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:34,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:34,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:34,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:34,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:34,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:14:35,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:14:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-09-25 04:14:35,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:14:35,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 04:14:35,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:14:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:35,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:14:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:35,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:14:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:35,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 04:14:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:35,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:35,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:35,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 04:14:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:35,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:35,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:35,389 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 04:14:35,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117074348] [2020-09-25 04:14:35,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:35,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 04:14:35,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720266718] [2020-09-25 04:14:35,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 04:14:35,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:35,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 04:14:35,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:14:35,391 INFO L87 Difference]: Start difference. First operand 366 states and 396 transitions. Second operand 11 states. [2020-09-25 04:14:36,016 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:37,059 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:14:37,372 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:14:38,705 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:39,015 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:14:39,410 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193