/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec1_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:43:28,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:43:28,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:43:28,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:43:28,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:43:28,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:43:28,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:43:28,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:43:28,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:43:28,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:43:28,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:43:28,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:43:28,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:43:28,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:43:28,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:43:28,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:43:28,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:43:28,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:43:28,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:43:28,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:43:28,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:43:28,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:43:28,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:43:28,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:43:28,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:43:28,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:43:28,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:43:28,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:43:28,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:43:28,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:43:28,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:43:28,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:43:28,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:43:28,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:43:28,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:43:28,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:43:28,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:43:28,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:43:28,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:43:28,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:43:28,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:43:28,622 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 09:43:28,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:43:28,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:43:28,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:43:28,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:43:28,651 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:43:28,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:43:28,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:43:28,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:43:28,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:43:28,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:43:28,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:43:28,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:43:28,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:43:28,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:43:28,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:43:28,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:43:28,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:43:28,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:43:28,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:43:28,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:43:28,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:43:28,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:43:28,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:43:28,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:43:28,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:43:28,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:43:28,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:43:28,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:43:28,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:43:28,656 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:43:29,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:43:29,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:43:29,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:43:29,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:43:29,213 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:43:29,214 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-09-25 09:43:29,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258013cbb/f24566193de24bf08a5ece7331278927/FLAGca5b0867b [2020-09-25 09:43:29,900 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:43:29,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-09-25 09:43:29,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258013cbb/f24566193de24bf08a5ece7331278927/FLAGca5b0867b [2020-09-25 09:43:30,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258013cbb/f24566193de24bf08a5ece7331278927 [2020-09-25 09:43:30,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:43:30,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:43:30,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:43:30,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:43:30,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:43:30,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30, skipping insertion in model container [2020-09-25 09:43:30,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:43:30,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:43:30,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:43:30,686 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:43:30,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:43:30,909 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:43:30,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30 WrapperNode [2020-09-25 09:43:30,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:43:30,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:43:30,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:43:30,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:43:30,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:30,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:31,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:31,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (1/1) ... [2020-09-25 09:43:31,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:43:31,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:43:31,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:43:31,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:43:31,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (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 09:43:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:43:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:43:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:43:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:43:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:43:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:43:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:43:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:43:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:43:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:43:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:43:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:43:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:43:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:43:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:43:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:43:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:43:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:43:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:43:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:43:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:43:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:43:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:43:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:43:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:43:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:43:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:43:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:43:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:43:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:43:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:43:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:43:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:43:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:43:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:43:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:43:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:43:32,404 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:43:32,404 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:43:32,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:32 BoogieIcfgContainer [2020-09-25 09:43:32,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:43:32,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:43:32,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:43:32,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:43:32,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:43:30" (1/3) ... [2020-09-25 09:43:32,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6069ee96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:32, skipping insertion in model container [2020-09-25 09:43:32,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:43:30" (2/3) ... [2020-09-25 09:43:32,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6069ee96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:43:32, skipping insertion in model container [2020-09-25 09:43:32,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:43:32" (3/3) ... [2020-09-25 09:43:32,426 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2020-09-25 09:43:32,439 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:43:32,454 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:43:32,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:43:32,522 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:43:32,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:43:32,523 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:43:32,523 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:43:32,523 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:43:32,523 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:43:32,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:43:32,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:43:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-09-25 09:43:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:43:32,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:43:32,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:32,596 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:43:32,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:43:32,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1033241294, now seen corresponding path program 1 times [2020-09-25 09:43:32,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:43:32,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012838049] [2020-09-25 09:43:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:43:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:33,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:33,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:35,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:43:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:43:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 09:43:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:43:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:43:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 09:43:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:43:38,507 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:43:38,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:43:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:43:38,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 09:43:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:43:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:43:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:43:38,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:43:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:38,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:43:38,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:43:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:38,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:43:38,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:43:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:38,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:38,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:43:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:38,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:38,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:43:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:43:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:38,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:43:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:43:39,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012838049] [2020-09-25 09:43:39,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:43:39,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:43:39,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419542772] [2020-09-25 09:43:39,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:43:39,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:43:39,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:43:39,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:43:39,075 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 8 states. [2020-09-25 09:43:39,696 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:43:41,286 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 09:43:41,872 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:43:42,227 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:42,575 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:42,869 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:43,600 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:43,923 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:43:44,284 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:43:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:43:45,624 INFO L93 Difference]: Finished difference Result 565 states and 717 transitions. [2020-09-25 09:43:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:43:45,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:43:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:43:45,653 INFO L225 Difference]: With dead ends: 565 [2020-09-25 09:43:45,653 INFO L226 Difference]: Without dead ends: 385 [2020-09-25 09:43:45,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:43:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-09-25 09:43:45,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 330. [2020-09-25 09:43:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-25 09:43:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2020-09-25 09:43:45,790 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 142 [2020-09-25 09:43:45,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:43:45,791 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2020-09-25 09:43:45,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:43:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2020-09-25 09:43:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 09:43:45,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:43:45,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:45,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:43:45,800 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:43:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:43:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1702989338, now seen corresponding path program 1 times [2020-09-25 09:43:45,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:43:45,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104307285] [2020-09-25 09:43:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:43:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:45,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:46,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:50,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:50,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 09:43:50,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:43:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 09:43:50,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:50,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:43:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:43:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-25 09:43:50,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,186 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:43:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:43:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:43:51,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 09:43:51,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:43:51,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:43:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:51,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:51,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:43:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:51,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:43:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:51,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:43:51,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:43:51,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:43:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:43:51,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:51,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:43:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 09:43:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:43:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:43:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:43:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 09:43:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:43:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:43:51,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:43:51,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:43:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:43:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:43:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:51,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:43:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:51,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 09:43:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:43:51,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:43:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 09:43:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:43:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:43:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:43:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:43:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:43:51,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 09:43:51,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:43:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:43:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:43:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:43:51,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:43:51,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:43:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:43:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:43:51,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:43:51,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:43:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 09:43:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:51,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:43:51,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:43:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 09:43:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:43:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:43:51,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:43:51,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:43:51,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:43:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:43:51,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:43:51,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:43:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:43:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:43:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:43:51,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:43:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:43:51,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104307285] [2020-09-25 09:43:51,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:43:51,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 09:43:51,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995633246] [2020-09-25 09:43:51,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:43:51,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:43:51,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:43:51,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:43:51,954 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 12 states. [2020-09-25 09:43:52,486 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:43:53,633 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:43:54,011 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:43:54,328 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:43:54,652 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:43:54,997 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:43:55,347 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:43:55,653 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:43:56,397 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:56,732 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:57,061 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:43:57,431 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:43:57,818 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:43:58,138 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:00,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:00,431 INFO L93 Difference]: Finished difference Result 982 states and 1279 transitions. [2020-09-25 09:44:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 09:44:00,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2020-09-25 09:44:00,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:00,443 INFO L225 Difference]: With dead ends: 982 [2020-09-25 09:44:00,443 INFO L226 Difference]: Without dead ends: 762 [2020-09-25 09:44:00,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-25 09:44:00,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-09-25 09:44:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 547. [2020-09-25 09:44:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-09-25 09:44:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 632 transitions. [2020-09-25 09:44:00,568 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 632 transitions. Word has length 200 [2020-09-25 09:44:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:00,569 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 632 transitions. [2020-09-25 09:44:00,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:44:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 632 transitions. [2020-09-25 09:44:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-25 09:44:00,574 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:00,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:00,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:44:00,575 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:00,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1828234151, now seen corresponding path program 1 times [2020-09-25 09:44:00,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:00,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957450613] [2020-09-25 09:44:00,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:01,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:05,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 09:44:05,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4904 [2020-09-25 09:44:05,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:05,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:44:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:44:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 09:44:05,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:05,895 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:05,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:05,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:06,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 09:44:06,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:44:06,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:06,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:06,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:06,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:44:06,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:06,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:06,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 09:44:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:06,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:06,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:44:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 09:44:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:06,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:06,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 09:44:06,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 09:44:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:06,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:06,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 09:44:06,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:44:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:06,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:44:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:06,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:06,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 09:44:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:06,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:06,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 09:44:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:06,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:06,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957450613] [2020-09-25 09:44:06,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:06,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:44:06,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244221112] [2020-09-25 09:44:06,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:44:06,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:06,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:44:06,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:44:06,689 INFO L87 Difference]: Start difference. First operand 547 states and 632 transitions. Second operand 14 states. [2020-09-25 09:44:07,252 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:08,419 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:08,741 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:09,089 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:09,482 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:44:09,786 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:10,315 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:10,629 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:10,975 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:11,304 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:11,583 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:11,881 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:12,198 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:12,479 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:12,815 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:13,196 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:13,570 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:13,872 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:14,185 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:16,522 INFO L93 Difference]: Finished difference Result 1810 states and 2510 transitions. [2020-09-25 09:44:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 09:44:16,523 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2020-09-25 09:44:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:16,533 INFO L225 Difference]: With dead ends: 1810 [2020-09-25 09:44:16,534 INFO L226 Difference]: Without dead ends: 1281 [2020-09-25 09:44:16,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 09:44:16,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2020-09-25 09:44:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 917. [2020-09-25 09:44:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-09-25 09:44:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1054 transitions. [2020-09-25 09:44:16,696 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1054 transitions. Word has length 189 [2020-09-25 09:44:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:16,697 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1054 transitions. [2020-09-25 09:44:16,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:44:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1054 transitions. [2020-09-25 09:44:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 09:44:16,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:16,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:16,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:44:16,702 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:16,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:16,703 INFO L82 PathProgramCache]: Analyzing trace with hash -580417043, now seen corresponding path program 1 times [2020-09-25 09:44:16,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:16,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274254048] [2020-09-25 09:44:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-25 09:44:18,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1264 [2020-09-25 09:44:18,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:44:18,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:44:18,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 09:44:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:18,324 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:18,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 09:44:18,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:44:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:18,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:18,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:18,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:18,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:18,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:18,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:44:18,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:18,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:44:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:44:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:18,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:44:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:44:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:44:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:44:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:18,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 09:44:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 09:44:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 09:44:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:18,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:44:18,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:44:18,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:18,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:18,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:44:18,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:18,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:44:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 09:44:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:18,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 09:44:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:18,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:18,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:18,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:18,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:18,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:18,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:18,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274254048] [2020-09-25 09:44:18,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:18,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:44:18,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579569807] [2020-09-25 09:44:18,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:44:18,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:18,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:44:18,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:44:18,874 INFO L87 Difference]: Start difference. First operand 917 states and 1054 transitions. Second operand 9 states. [2020-09-25 09:44:19,403 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:20,026 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186