/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:03:16,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:03:16,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:03:16,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:03:16,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:03:16,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:03:16,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:03:16,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:03:16,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:03:16,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:03:16,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:03:16,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:03:16,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:03:16,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:03:16,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:03:16,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:03:16,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:03:16,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:03:16,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:03:16,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:03:16,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:03:16,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:03:16,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:03:16,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:03:16,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:03:16,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:03:16,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:03:16,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:03:16,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:03:16,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:03:16,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:03:16,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:03:16,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:03:16,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:03:16,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:03:16,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:03:16,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:03:16,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:03:16,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:03:16,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:03:16,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:03:16,871 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 11:03:16,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:03:16,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:03:16,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:03:16,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:03:16,914 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:03:16,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:03:16,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:03:16,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:03:16,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:03:16,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:03:16,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:03:16,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:03:16,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:03:16,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:03:16,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:03:16,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:03:16,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:03:16,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:03:16,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:03:16,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:03:16,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:03:16,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:03:16,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:03:16,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:03:16,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:03:16,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:03:16,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:03:16,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:03:16,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:03:16,920 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=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:03:17,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:03:17,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:03:17,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:03:17,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:03:17,428 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:03:17,429 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-25 11:03:17,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30d6d8c23/1b8124db07e7404aa1de374d7391387c/FLAG00e39ccca [2020-09-25 11:03:18,139 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:03:18,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-25 11:03:18,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30d6d8c23/1b8124db07e7404aa1de374d7391387c/FLAG00e39ccca [2020-09-25 11:03:18,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30d6d8c23/1b8124db07e7404aa1de374d7391387c [2020-09-25 11:03:18,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:03:18,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:03:18,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:03:18,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:03:18,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:03:18,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:03:18" (1/1) ... [2020-09-25 11:03:18,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:18, skipping insertion in model container [2020-09-25 11:03:18,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:03:18" (1/1) ... [2020-09-25 11:03:18,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:03:18,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:03:19,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:03:19,089 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:03:19,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:03:19,219 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:03:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19 WrapperNode [2020-09-25 11:03:19,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:03:19,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:03:19,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:03:19,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:03:19,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (1/1) ... [2020-09-25 11:03:19,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:03:19,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:03:19,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:03:19,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:03:19,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (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 11:03:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:03:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:03:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:03:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:03:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:03:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:03:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:03:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:03:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:03:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:03:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:03:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:03:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:03:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 11:03:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:03:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:03:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:03:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:03:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:03:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:03:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:03:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:03:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 11:03:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:03:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:03:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:03:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:03:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:03:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:03:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:03:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:03:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:03:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:03:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:03:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:03:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:03:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:03:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:03:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:03:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:03:20,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:03:20,817 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:03:20,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:03:20 BoogieIcfgContainer [2020-09-25 11:03:20,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:03:20,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:03:20,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:03:20,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:03:20,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:03:18" (1/3) ... [2020-09-25 11:03:20,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079c3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:03:20, skipping insertion in model container [2020-09-25 11:03:20,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:19" (2/3) ... [2020-09-25 11:03:20,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079c3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:03:20, skipping insertion in model container [2020-09-25 11:03:20,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:03:20" (3/3) ... [2020-09-25 11:03:20,834 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-09-25 11:03:20,845 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:03:20,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:03:20,878 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:03:20,910 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:03:20,911 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:03:20,911 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:03:20,911 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:03:20,911 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:03:20,911 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:03:20,911 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:03:20,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:03:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-25 11:03:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:03:20,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:20,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:20,963 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:20,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1798805574, now seen corresponding path program 1 times [2020-09-25 11:03:20,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:20,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580964139] [2020-09-25 11:03:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:21,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:22,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:03:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:03:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 11:03:26,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:26,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:03:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 11:03:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 11:03:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 11:03:26,983 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:27,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-25 11:03:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:03:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:27,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:27,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:27,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:27,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:27,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:27,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:27,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:27,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:27,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:03:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:27,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:03:27,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:27,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:27,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:03:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:27,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:27,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:03:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:27,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:27,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:27,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:27,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:27,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:27,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:03:27,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580964139] [2020-09-25 11:03:27,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:27,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:03:27,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711060030] [2020-09-25 11:03:27,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:03:27,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:27,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:03:27,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:03:27,653 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 9 states. [2020-09-25 11:03:28,441 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:29,312 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:29,669 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:30,838 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:31,153 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:31,513 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:31,993 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:32,293 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:32,592 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:33,286 INFO L93 Difference]: Finished difference Result 614 states and 740 transitions. [2020-09-25 11:03:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:03:33,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:03:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:33,329 INFO L225 Difference]: With dead ends: 614 [2020-09-25 11:03:33,329 INFO L226 Difference]: Without dead ends: 413 [2020-09-25 11:03:33,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:03:33,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-09-25 11:03:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 367. [2020-09-25 11:03:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-09-25 11:03:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 411 transitions. [2020-09-25 11:03:33,475 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 411 transitions. Word has length 160 [2020-09-25 11:03:33,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:33,476 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 411 transitions. [2020-09-25 11:03:33,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 411 transitions. [2020-09-25 11:03:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 11:03:33,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:33,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:33,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:03:33,484 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:33,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:33,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1901048636, now seen corresponding path program 1 times [2020-09-25 11:03:33,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:33,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671884390] [2020-09-25 11:03:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 11:03:34,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-09-25 11:03:34,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 11:03:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,778 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:34,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:34,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 11:03:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:34,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:34,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:34,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:34,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:34,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:34,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:34,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:03:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:34,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:34,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:34,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:34,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:34,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:34,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:34,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:34,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:03:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:34,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 11:03:35,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:03:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:35,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 11:03:35,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:03:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:35,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:35,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 11:03:35,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:03:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:35,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:35,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:35,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:03:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 11:03:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:35,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:35,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:03:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:35,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:35,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:35,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:35,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:35,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:35,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:35,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671884390] [2020-09-25 11:03:35,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:35,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:03:35,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809770551] [2020-09-25 11:03:35,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:03:35,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:35,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:03:35,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:03:35,494 INFO L87 Difference]: Start difference. First operand 367 states and 411 transitions. Second operand 10 states. [2020-09-25 11:03:37,030 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:37,384 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:37,669 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:37,925 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:38,234 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:03:38,514 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:39,453 INFO L93 Difference]: Finished difference Result 709 states and 851 transitions. [2020-09-25 11:03:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:03:39,455 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-25 11:03:39,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:39,461 INFO L225 Difference]: With dead ends: 709 [2020-09-25 11:03:39,461 INFO L226 Difference]: Without dead ends: 457 [2020-09-25 11:03:39,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:03:39,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-25 11:03:39,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 381. [2020-09-25 11:03:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-25 11:03:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 431 transitions. [2020-09-25 11:03:39,524 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 431 transitions. Word has length 208 [2020-09-25 11:03:39,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:39,525 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 431 transitions. [2020-09-25 11:03:39,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:03:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 431 transitions. [2020-09-25 11:03:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 11:03:39,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:39,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:39,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:03:39,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:39,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2026253020, now seen corresponding path program 1 times [2020-09-25 11:03:39,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:39,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014591469] [2020-09-25 11:03:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 11:03:40,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-09-25 11:03:40,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 11:03:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:40,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:40,691 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:40,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 11:03:40,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:40,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:40,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:40,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:40,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:40,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:40,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:03:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:40,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:40,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:40,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:40,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:03:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:41,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 11:03:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:03:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:41,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 11:03:41,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:03:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:41,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:41,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:03:41,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:03:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:03:41,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:03:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:41,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:41,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:41,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:03:41,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 11:03:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:41,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:03:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:41,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:41,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:41,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:41,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014591469] [2020-09-25 11:03:41,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:41,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:03:41,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41309991] [2020-09-25 11:03:41,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:03:41,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:41,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:03:41,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:03:41,321 INFO L87 Difference]: Start difference. First operand 381 states and 431 transitions. Second operand 9 states. [2020-09-25 11:03:42,751 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:43,080 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:43,441 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:43,790 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:44,096 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:45,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:45,007 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2020-09-25 11:03:45,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:03:45,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 11:03:45,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:45,012 INFO L225 Difference]: With dead ends: 734 [2020-09-25 11:03:45,013 INFO L226 Difference]: Without dead ends: 468 [2020-09-25 11:03:45,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:03:45,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-09-25 11:03:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 387. [2020-09-25 11:03:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-09-25 11:03:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 437 transitions. [2020-09-25 11:03:45,064 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 437 transitions. Word has length 208 [2020-09-25 11:03:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:45,065 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 437 transitions. [2020-09-25 11:03:45,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 437 transitions. [2020-09-25 11:03:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 11:03:45,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:45,069 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:45,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:03:45,070 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:45,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:45,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1335758879, now seen corresponding path program 1 times [2020-09-25 11:03:45,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:45,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089608754] [2020-09-25 11:03:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:45,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:46,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:46,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1485 [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:03:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:03:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 11:03:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:46,935 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:46,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:47,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 11:03:47,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:03:47,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:47,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:47,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:47,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:47,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:47,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:47,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:47,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:47,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:47,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:47,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:47,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:03:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:47,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:47,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:47,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:47,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:03:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:47,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:03:47,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:03:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 11:03:47,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:47,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:03:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:47,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 11:03:47,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:47,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:47,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:03:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:47,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:47,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 11:03:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:47,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:47,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:03:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:47,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:47,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:47,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:47,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089608754] [2020-09-25 11:03:47,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:47,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:03:47,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285807317] [2020-09-25 11:03:47,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:03:47,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:03:47,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:03:47,537 INFO L87 Difference]: Start difference. First operand 387 states and 437 transitions. Second operand 7 states. [2020-09-25 11:03:48,169 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:48,925 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:51,455 INFO L93 Difference]: Finished difference Result 1039 states and 1293 transitions. [2020-09-25 11:03:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:03:51,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-25 11:03:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:51,463 INFO L225 Difference]: With dead ends: 1039 [2020-09-25 11:03:51,463 INFO L226 Difference]: Without dead ends: 756 [2020-09-25 11:03:51,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 11:03:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-09-25 11:03:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 670. [2020-09-25 11:03:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-09-25 11:03:51,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 785 transitions. [2020-09-25 11:03:51,561 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 785 transitions. Word has length 208 [2020-09-25 11:03:51,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:51,561 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 785 transitions. [2020-09-25 11:03:51,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:03:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 785 transitions. [2020-09-25 11:03:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 11:03:51,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:51,564 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:51,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:03:51,565 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1978565417, now seen corresponding path program 1 times [2020-09-25 11:03:51,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:51,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043652732] [2020-09-25 11:03:51,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:51,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:56,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:56,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 11:03:56,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 11:03:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:56,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:03:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:03:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-25 11:03:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:56,988 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:57,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 11:03:57,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:03:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:57,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:57,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:57,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:57,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:57,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:57,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:57,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:57,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:57,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:57,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:57,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:03:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:03:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:57,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:03:57,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:57,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:57,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 11:03:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:03:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 11:03:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:57,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:03:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:57,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:57,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:57,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:57,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:57,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:57,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 11:03:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:57,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:03:57,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:57,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 11:03:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:57,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:57,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:57,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:57,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:57,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:57,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043652732] [2020-09-25 11:03:57,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:57,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 11:03:57,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052812988] [2020-09-25 11:03:57,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:03:57,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:57,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:03:57,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:03:57,718 INFO L87 Difference]: Start difference. First operand 670 states and 785 transitions. Second operand 14 states. [2020-09-25 11:03:58,274 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:59,177 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:59,980 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:00,321 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:00,756 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:04:01,111 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:04:01,489 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:01,835 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:02,260 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:04:02,602 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:04,810 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:05,119 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:05,470 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:06,020 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:04:07,766 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192