/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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:47:03,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:47:03,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:47:04,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:47:04,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:47:04,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:47:04,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:47:04,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:47:04,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:47:04,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:47:04,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:47:04,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:47:04,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:47:04,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:47:04,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:47:04,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:47:04,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:47:04,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:47:04,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:47:04,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:47:04,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:47:04,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:47:04,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:47:04,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:47:04,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:47:04,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:47:04,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:47:04,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:47:04,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:47:04,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:47:04,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:47:04,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:47:04,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:47:04,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:47:04,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:47:04,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:47:04,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:47:04,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:47:04,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:47:04,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:47:04,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:47:04,068 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 09:47:04,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:47:04,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:47:04,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:47:04,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:47:04,127 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:47:04,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:47:04,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:47:04,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:47:04,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:47:04,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:47:04,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:47:04,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:47:04,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:47:04,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:47:04,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:47:04,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:47:04,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:47:04,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:47:04,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:47:04,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:47:04,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:47:04,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:47:04,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:47:04,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:47:04,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:47:04,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:47:04,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:47:04,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:47:04,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:47:04,135 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 09:47:04,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:47:04,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:47:04,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:47:04,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:47:04,650 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:47:04,651 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-25 09:47:04,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bfcfb79f/b69bd2ec45cf44269d6d271b460f9e7e/FLAGce5063cc9 [2020-09-25 09:47:05,348 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:47:05,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-25 09:47:05,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bfcfb79f/b69bd2ec45cf44269d6d271b460f9e7e/FLAGce5063cc9 [2020-09-25 09:47:05,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bfcfb79f/b69bd2ec45cf44269d6d271b460f9e7e [2020-09-25 09:47:05,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:47:05,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:47:05,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:05,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:47:05,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:47:05,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:05" (1/1) ... [2020-09-25 09:47:05,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:05, skipping insertion in model container [2020-09-25 09:47:05,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:05" (1/1) ... [2020-09-25 09:47:05,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:47:05,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:47:06,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:06,196 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:47:06,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:06,401 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:47:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06 WrapperNode [2020-09-25 09:47:06,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:06,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:47:06,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:47:06,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:47:06,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (1/1) ... [2020-09-25 09:47:06,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:47:06,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:47:06,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:47:06,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:47:06,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (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 09:47:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:47:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:47:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:47:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:47:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:47:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:47:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:47:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:47:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:47:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:47:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:47:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:47:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:47:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:47:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:47:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:47:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:47:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:47:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:47:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:47:06,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:47:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:47:06,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:47:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:47:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:47:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:47:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:47:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:47:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:47:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:47:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:47:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:47:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:47:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:47:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:47:07,778 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:47:07,778 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:47:07,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:07 BoogieIcfgContainer [2020-09-25 09:47:07,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:47:07,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:47:07,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:47:07,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:47:07,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:47:05" (1/3) ... [2020-09-25 09:47:07,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4cc6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:07, skipping insertion in model container [2020-09-25 09:47:07,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:06" (2/3) ... [2020-09-25 09:47:07,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4cc6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:07, skipping insertion in model container [2020-09-25 09:47:07,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:07" (3/3) ... [2020-09-25 09:47:07,796 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-09-25 09:47:07,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:47:07,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:47:07,845 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:47:07,880 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:47:07,881 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:47:07,881 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:47:07,881 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:47:07,881 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:47:07,881 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:47:07,882 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:47:07,882 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:47:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-25 09:47:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:47:07,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:07,934 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] [2020-09-25 09:47:07,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:07,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:07,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1902377435, now seen corresponding path program 1 times [2020-09-25 09:47:07,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:07,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214397203] [2020-09-25 09:47:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:08,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:12,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:13,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:47:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:47:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 09:47:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:13,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:47:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:47:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 09:47:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 09:47:14,050 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:14,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-25 09:47:14,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:47:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:14,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:47:14,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:14,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:14,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:14,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:14,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:47:14,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:47:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:14,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:47:14,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:14,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:14,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:14,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:14,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:47:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:14,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:14,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:14,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:14,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:47:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:14,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:14,673 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 09:47:14,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214397203] [2020-09-25 09:47:14,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:14,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:47:14,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137297157] [2020-09-25 09:47:14,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:47:14,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:14,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:47:14,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:47:14,714 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 9 states. [2020-09-25 09:47:15,617 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:17,058 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:17,527 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:17,847 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:18,216 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:18,523 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:19,249 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:19,644 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:20,229 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:21,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:21,492 INFO L93 Difference]: Finished difference Result 663 states and 807 transitions. [2020-09-25 09:47:21,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:47:21,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 09:47:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:21,523 INFO L225 Difference]: With dead ends: 663 [2020-09-25 09:47:21,523 INFO L226 Difference]: Without dead ends: 460 [2020-09-25 09:47:21,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 09:47:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-25 09:47:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 387. [2020-09-25 09:47:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-09-25 09:47:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 432 transitions. [2020-09-25 09:47:21,678 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 432 transitions. Word has length 148 [2020-09-25 09:47:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:21,679 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 432 transitions. [2020-09-25 09:47:21,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:47:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 432 transitions. [2020-09-25 09:47:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 09:47:21,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:21,685 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] [2020-09-25 09:47:21,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:47:21,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:21,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:21,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1595258182, now seen corresponding path program 1 times [2020-09-25 09:47:21,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:21,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635311011] [2020-09-25 09:47:21,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:22,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:22,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:24,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:26,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:26,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 09:47:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:47:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 09:47:26,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:26,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:47:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:47:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 09:47:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:27,136 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-25 09:47:27,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:47:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:27,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:27,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:27,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:27,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:27,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:27,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:27,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:27,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:27,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:27,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:27,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:27,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:47:27,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:47:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 09:47:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:47:27,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:27,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 09:47:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:27,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:27,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:27,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:27,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:27,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:27,679 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 09:47:27,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635311011] [2020-09-25 09:47:27,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:27,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:47:27,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80186640] [2020-09-25 09:47:27,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:47:27,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:27,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:47:27,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:47:27,684 INFO L87 Difference]: Start difference. First operand 387 states and 432 transitions. Second operand 10 states. [2020-09-25 09:47:28,179 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:29,827 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 09:47:30,476 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 09:47:30,841 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:31,196 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:31,542 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:32,351 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:32,689 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:47:33,095 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:34,653 INFO L93 Difference]: Finished difference Result 951 states and 1188 transitions. [2020-09-25 09:47:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 09:47:34,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 09:47:34,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:34,664 INFO L225 Difference]: With dead ends: 951 [2020-09-25 09:47:34,664 INFO L226 Difference]: Without dead ends: 679 [2020-09-25 09:47:34,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2020-09-25 09:47:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-09-25 09:47:34,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 560. [2020-09-25 09:47:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-25 09:47:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 645 transitions. [2020-09-25 09:47:34,763 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 645 transitions. Word has length 163 [2020-09-25 09:47:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:34,764 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 645 transitions. [2020-09-25 09:47:34,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:47:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 645 transitions. [2020-09-25 09:47:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 09:47:34,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:34,768 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:47:34,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:47:34,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:34,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:34,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1300660200, now seen corresponding path program 1 times [2020-09-25 09:47:34,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:34,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003587212] [2020-09-25 09:47:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-25 09:47:38,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:38,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3502 [2020-09-25 09:47:38,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:47:38,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 09:47:38,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 09:47:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,632 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:38,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 09:47:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:38,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:38,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:38,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:38,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:38,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:38,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:47:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:38,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:47:38,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:38,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:47:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:47:38,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 09:47:38,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:38,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 09:47:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:38,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:38,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:47:39,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 09:47:39,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:47:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:47:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:47:39,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 09:47:39,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:39,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:47:39,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:47:39,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:47:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:47:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:47:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:47:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:39,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:47:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:39,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:39,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:39,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:39,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:47:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 09:47:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:39,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:47:39,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:39,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 09:47:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:39,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:39,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:39,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:39,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:39,339 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 09:47:39,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003587212] [2020-09-25 09:47:39,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:39,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:47:39,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096135778] [2020-09-25 09:47:39,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:47:39,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:39,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:47:39,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:47:39,344 INFO L87 Difference]: Start difference. First operand 560 states and 645 transitions. Second operand 11 states. [2020-09-25 09:47:40,071 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:41,226 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:41,547 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:41,924 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:42,302 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:42,621 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:44,248 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:44,605 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:45,021 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:45,383 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:45,707 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:47,289 INFO L93 Difference]: Finished difference Result 1752 states and 2369 transitions. [2020-09-25 09:47:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 09:47:47,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-09-25 09:47:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:47,301 INFO L225 Difference]: With dead ends: 1752 [2020-09-25 09:47:47,301 INFO L226 Difference]: Without dead ends: 1307 [2020-09-25 09:47:47,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=289, Invalid=767, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 09:47:47,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2020-09-25 09:47:47,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 942. [2020-09-25 09:47:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-09-25 09:47:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1106 transitions. [2020-09-25 09:47:47,487 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1106 transitions. Word has length 201 [2020-09-25 09:47:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:47,488 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1106 transitions. [2020-09-25 09:47:47,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:47:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1106 transitions. [2020-09-25 09:47:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-25 09:47:47,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:47,496 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:47,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:47:47,496 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash -886534975, now seen corresponding path program 1 times [2020-09-25 09:47:47,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:47,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802446160] [2020-09-25 09:47:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:49,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:52,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:52,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 09:47:52,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 09:47:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 09:47:52,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:52,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:47:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:47:52,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-09-25 09:47:52,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:52,945 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:53,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 09:47:53,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:47:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:53,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:53,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:53,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:53,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:53,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:47:53,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:53,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:53,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:53,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:53,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:53,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:53,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:47:53,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:53,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:47:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 09:47:53,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-25 09:47:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 09:47:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:47:53,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 09:47:53,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:47:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:47:53,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:47:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:47:53,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 09:47:53,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:47:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:47:53,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:47:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:47:53,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 09:47:53,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:47:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:47:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:47:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:53,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:47:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:53,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:47:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 09:47:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 09:47:53,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:53,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:53,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 09:47:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:47:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 09:47:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:53,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:53,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 09:47:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:47:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 09:47:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:53,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:53,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:53,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:53,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:53,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:53,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:47:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 09:47:54,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802446160] [2020-09-25 09:47:54,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:47:54,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 09:47:54,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781413194] [2020-09-25 09:47:54,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 09:47:54,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:54,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 09:47:54,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:47:54,029 INFO L87 Difference]: Start difference. First operand 942 states and 1106 transitions. Second operand 15 states.