/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:06:52,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:06:52,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:06:52,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:06:52,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:06:52,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:06:52,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:06:52,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:06:52,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:06:52,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:06:52,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:06:52,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:06:52,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:06:52,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:06:52,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:06:52,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:06:52,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:06:52,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:06:52,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:06:52,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:06:52,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:06:52,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:06:52,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:06:52,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:06:52,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:06:52,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:06:52,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:06:52,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:06:52,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:06:52,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:06:52,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:06:52,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:06:52,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:06:52,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:06:52,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:06:52,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:06:52,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:06:52,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:06:52,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:06:52,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:06:52,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:06:52,351 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 13:06:52,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:06:52,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:06:52,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:06:52,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:06:52,400 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:06:52,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:06:52,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:06:52,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:06:52,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:06:52,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:06:52,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:06:52,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:06:52,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:06:52,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:06:52,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:06:52,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:06:52,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:06:52,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:06:52,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:06:52,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:06:52,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:06:52,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:06:52,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:06:52,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:06:52,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:06:52,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:06:52,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:06:52,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:06:52,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:06:52,406 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=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:06:52,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:06:52,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:06:52,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:06:52,922 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:06:52,923 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:06:52,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-25 13:06:53,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9afb30f6d/ee49ca80af4549cb89606af0a6c6dfb7/FLAG737233e80 [2020-09-25 13:06:53,568 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:06:53,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-25 13:06:53,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9afb30f6d/ee49ca80af4549cb89606af0a6c6dfb7/FLAG737233e80 [2020-09-25 13:06:53,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9afb30f6d/ee49ca80af4549cb89606af0a6c6dfb7 [2020-09-25 13:06:53,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:06:53,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:06:53,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:06:53,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:06:53,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:06:53,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:53" (1/1) ... [2020-09-25 13:06:53,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:53, skipping insertion in model container [2020-09-25 13:06:53,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:53" (1/1) ... [2020-09-25 13:06:53,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:06:53,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:06:54,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:06:54,558 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:06:54,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:06:54,711 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:06:54,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54 WrapperNode [2020-09-25 13:06:54,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:06:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:06:54,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:06:54,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:06:54,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... [2020-09-25 13:06:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:06:54,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:06:54,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:06:54,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:06:54,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:06:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:06:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:06:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:06:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:06:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:06:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:06:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:06:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:06:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:06:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:06:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:06:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:06:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:06:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:06:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:06:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:06:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:06:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:06:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:06:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:06:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:06:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:06:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:06:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:06:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:06:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:06:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:06:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:06:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:06:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:06:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:06:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:06:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:06:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:06:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:06:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:06:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:06:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:06:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:06:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:06:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:06:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:06:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:06:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:06:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:06:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:06:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:06:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:06:56,181 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:06:56,181 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:06:56,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:56 BoogieIcfgContainer [2020-09-25 13:06:56,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:06:56,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:06:56,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:06:56,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:06:56,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:06:53" (1/3) ... [2020-09-25 13:06:56,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fa4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:56, skipping insertion in model container [2020-09-25 13:06:56,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:54" (2/3) ... [2020-09-25 13:06:56,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fa4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:56, skipping insertion in model container [2020-09-25 13:06:56,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:56" (3/3) ... [2020-09-25 13:06:56,201 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-09-25 13:06:56,215 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:06:56,228 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:06:56,254 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:06:56,293 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:06:56,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:06:56,293 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:06:56,294 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:06:56,294 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:06:56,294 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:06:56,294 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:06:56,294 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:06:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-09-25 13:06:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:06:56,348 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:06:56,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:06:56,350 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:06:56,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:06:56,359 INFO L82 PathProgramCache]: Analyzing trace with hash 978294910, now seen corresponding path program 1 times [2020-09-25 13:06:56,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:06:56,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305829439] [2020-09-25 13:06:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:06:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:06:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:06:57,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:06:58,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:06:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:01,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:01,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:07:01,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:07:01,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:01,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:07:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:07:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 13:07:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:07:02,184 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:07:02,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:07:02,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-25 13:07:02,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:07:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:07:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:02,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:02,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:07:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:02,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:07:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:02,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:07:02,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:07:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:02,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:02,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:07:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:02,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:02,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:07:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:02,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:02,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:02,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:02,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:02,793 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 13:07:02,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305829439] [2020-09-25 13:07:02,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:02,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 13:07:02,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553193955] [2020-09-25 13:07:02,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 13:07:02,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:02,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 13:07:02,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 13:07:02,828 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 4 states. [2020-09-25 13:07:03,402 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:07:04,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:04,904 INFO L93 Difference]: Finished difference Result 560 states and 667 transitions. [2020-09-25 13:07:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:07:04,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 13:07:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:04,932 INFO L225 Difference]: With dead ends: 560 [2020-09-25 13:07:04,933 INFO L226 Difference]: Without dead ends: 340 [2020-09-25 13:07:04,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:07:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-25 13:07:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2020-09-25 13:07:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-09-25 13:07:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 322 transitions. [2020-09-25 13:07:05,111 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 322 transitions. Word has length 142 [2020-09-25 13:07:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:05,112 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 322 transitions. [2020-09-25 13:07:05,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 13:07:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 322 transitions. [2020-09-25 13:07:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 13:07:05,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:05,118 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] [2020-09-25 13:07:05,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:07:05,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:05,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:05,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1288042410, now seen corresponding path program 1 times [2020-09-25 13:07:05,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:05,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433364304] [2020-09-25 13:07:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:05,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:05,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:06,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 13:07:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 13:07:10,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 13:07:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:07:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:07:10,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,533 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:07:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:07:10,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-25 13:07:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:07:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:07:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:10,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:10,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:07:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:10,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:07:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:10,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:10,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:07:10,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:10,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:07:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:10,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:10,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:10,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:10,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:07:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:10,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:10,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:10,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:07:10,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:07:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 13:07:10,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:10,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:07:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 13:07:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:07:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:07:11,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:07:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 13:07:11,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:11,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:07:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:07:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:07:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:11,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:07:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:07:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:11,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:11,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:11,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:11,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:11,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:11,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:07:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:11,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:11,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:07:11,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:11,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:11,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:07:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:11,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:11,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:11,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:11,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:11,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:11,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:11,290 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 13:07:11,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433364304] [2020-09-25 13:07:11,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:11,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:07:11,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597597727] [2020-09-25 13:07:11,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:07:11,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:11,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:07:11,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:07:11,297 INFO L87 Difference]: Start difference. First operand 294 states and 322 transitions. Second operand 7 states. [2020-09-25 13:07:11,814 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:07:13,314 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:15,184 INFO L93 Difference]: Finished difference Result 708 states and 850 transitions. [2020-09-25 13:07:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:07:15,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2020-09-25 13:07:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:15,201 INFO L225 Difference]: With dead ends: 708 [2020-09-25 13:07:15,201 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 13:07:15,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:07:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 13:07:15,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 439. [2020-09-25 13:07:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-25 13:07:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 487 transitions. [2020-09-25 13:07:15,286 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 487 transitions. Word has length 161 [2020-09-25 13:07:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:15,287 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 487 transitions. [2020-09-25 13:07:15,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:07:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 487 transitions. [2020-09-25 13:07:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 13:07:15,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:15,290 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] [2020-09-25 13:07:15,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:07:15,291 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:15,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1517387426, now seen corresponding path program 1 times [2020-09-25 13:07:15,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:15,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59043988] [2020-09-25 13:07:15,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:15,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:15,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:16,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:16,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:17,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:20,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:20,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 13:07:20,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:07:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 13:07:20,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:20,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:07:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:07:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-25 13:07:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:20,773 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:07:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:07:21,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-25 13:07:21,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:07:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:07:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:07:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:21,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:21,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:07:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:21,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:21,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:21,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:07:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:21,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:21,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:21,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:07:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:21,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:21,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:07:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:07:21,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 13:07:21,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 13:07:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:07:21,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:07:21,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:07:21,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:07:21,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:07:21,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:07:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:07:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:07:21,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:07:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:21,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:21,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 13:07:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:07:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:07:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 13:07:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:21,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:21,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:21,469 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 13:07:21,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59043988] [2020-09-25 13:07:21,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:21,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:07:21,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023922284] [2020-09-25 13:07:21,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:07:21,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:21,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:07:21,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:07:21,476 INFO L87 Difference]: Start difference. First operand 439 states and 487 transitions. Second operand 9 states. [2020-09-25 13:07:22,132 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:07:23,553 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:23,888 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:24,530 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:07:24,859 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:25,406 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:25,730 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:26,058 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:26,573 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:28,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:28,468 INFO L93 Difference]: Finished difference Result 1181 states and 1420 transitions. [2020-09-25 13:07:28,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 13:07:28,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 185 [2020-09-25 13:07:28,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:28,476 INFO L225 Difference]: With dead ends: 1181 [2020-09-25 13:07:28,477 INFO L226 Difference]: Without dead ends: 811 [2020-09-25 13:07:28,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:07:28,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-09-25 13:07:28,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 704. [2020-09-25 13:07:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-09-25 13:07:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 779 transitions. [2020-09-25 13:07:28,585 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 779 transitions. Word has length 185 [2020-09-25 13:07:28,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:28,585 INFO L479 AbstractCegarLoop]: Abstraction has 704 states and 779 transitions. [2020-09-25 13:07:28,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:07:28,586 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 779 transitions. [2020-09-25 13:07:28,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 13:07:28,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:28,589 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, 1, 1] [2020-09-25 13:07:28,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:07:28,589 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:28,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:28,590 INFO L82 PathProgramCache]: Analyzing trace with hash -886741028, now seen corresponding path program 1 times [2020-09-25 13:07:28,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:28,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951153377] [2020-09-25 13:07:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:28,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:31,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:33,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:33,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-25 13:07:33,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-25 13:07:33,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,003 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:07:34,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:07:34,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-25 13:07:34,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:07:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:07:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:07:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:07:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:34,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:34,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:07:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:34,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:34,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:07:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:07:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:07:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:07:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 13:07:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:07:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-25 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 13:07:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:07:34,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:07:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 13:07:34,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:07:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 13:07:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:07:34,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 13:07:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:07:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:07:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 13:07:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:07:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:07:34,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:07:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:07:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:07:34,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:34,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:34,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:07:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:34,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:34,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:34,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:07:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 13:07:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:34,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:34,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:34,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:34,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:07:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:34,899 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 13:07:34,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951153377] [2020-09-25 13:07:34,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:34,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 13:07:34,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168632386] [2020-09-25 13:07:34,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:07:34,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:34,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:07:34,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:07:34,902 INFO L87 Difference]: Start difference. First operand 704 states and 779 transitions. Second operand 12 states. [2020-09-25 13:07:35,482 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:07:37,393 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:37,736 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:07:38,163 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:40,072 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 13:07:40,749 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 13:07:41,081 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:41,425 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:41,764 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:07:42,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:42,990 INFO L93 Difference]: Finished difference Result 1081 states and 1341 transitions. [2020-09-25 13:07:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 13:07:42,990 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 203 [2020-09-25 13:07:42,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:42,999 INFO L225 Difference]: With dead ends: 1081 [2020-09-25 13:07:42,999 INFO L226 Difference]: Without dead ends: 1078 [2020-09-25 13:07:43,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=309, Invalid=813, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 13:07:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states.