/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=DEEPEST --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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:46:40,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:46:40,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:46:40,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:46:40,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:46:40,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:46:40,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:46:40,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:46:40,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:46:40,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:46:40,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:46:40,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:46:40,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:46:40,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:46:40,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:46:40,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:46:40,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:46:40,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:46:40,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:46:40,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:46:40,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:46:40,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:46:40,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:46:40,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:46:40,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:46:40,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:46:40,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:46:40,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:46:40,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:46:40,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:46:40,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:46:40,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:46:40,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:46:40,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:46:40,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:46:40,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:46:40,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:46:40,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:46:40,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:46:40,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:46:40,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:46:40,811 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 00:46:40,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:46:40,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:46:40,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:46:40,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:46:40,864 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:46:40,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:46:40,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:46:40,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:46:40,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:46:40,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:46:40,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:46:40,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:46:40,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:46:40,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:46:40,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:46:40,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:46:40,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:46:40,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:46:40,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:46:40,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:46:40,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:46:40,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:46:40,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:46:40,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:46:40,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:46:40,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:46:40,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:46:40,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:46:40,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:46:40,871 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:46:41,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:46:41,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:46:41,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:46:41,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:46:41,420 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:46:41,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-09-25 00:46:41,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672fe1fb7/cfb895773c7f47138bea80c16ba1e245/FLAG009bbdbf5 [2020-09-25 00:46:42,125 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:46:42,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-09-25 00:46:42,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672fe1fb7/cfb895773c7f47138bea80c16ba1e245/FLAG009bbdbf5 [2020-09-25 00:46:42,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672fe1fb7/cfb895773c7f47138bea80c16ba1e245 [2020-09-25 00:46:42,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:46:42,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:46:42,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:46:42,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:46:42,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:46:42,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:46:42" (1/1) ... [2020-09-25 00:46:42,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:42, skipping insertion in model container [2020-09-25 00:46:42,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:46:42" (1/1) ... [2020-09-25 00:46:42,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:46:42,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:46:43,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:46:43,072 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:46:43,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:46:43,195 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:46:43,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43 WrapperNode [2020-09-25 00:46:43,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:46:43,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:46:43,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:46:43,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:46:43,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (1/1) ... [2020-09-25 00:46:43,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:46:43,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:46:43,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:46:43,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:46:43,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (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 00:46:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:46:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:46:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:46:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:46:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:46:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:46:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:46:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:46:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:46:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:46:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:46:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:46:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:46:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:46:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:46:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:46:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:46:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:46:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:46:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:46:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:46:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:46:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:46:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:46:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:46:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:46:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:46:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:46:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:46:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:46:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:46:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:46:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:46:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:46:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:46:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:46:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:46:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:46:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:46:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:46:44,708 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:46:44,708 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:46:44,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:46:44 BoogieIcfgContainer [2020-09-25 00:46:44,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:46:44,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:46:44,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:46:44,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:46:44,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:46:42" (1/3) ... [2020-09-25 00:46:44,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a95369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:46:44, skipping insertion in model container [2020-09-25 00:46:44,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:43" (2/3) ... [2020-09-25 00:46:44,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a95369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:46:44, skipping insertion in model container [2020-09-25 00:46:44,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:46:44" (3/3) ... [2020-09-25 00:46:44,731 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-09-25 00:46:44,743 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:46:44,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:46:44,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:46:44,815 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:46:44,815 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:46:44,815 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:46:44,816 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:46:44,816 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:46:44,816 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:46:44,816 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:46:44,816 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:46:44,848 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-09-25 00:46:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:46:44,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:44,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:46:44,869 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:44,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1259360700, now seen corresponding path program 1 times [2020-09-25 00:46:44,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:44,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346679398] [2020-09-25 00:46:44,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:45,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:48,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:50,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:46:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:46:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 00:46:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:46:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:46:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:46:50,708 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:50,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:50,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:50,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-25 00:46:50,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:50,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:50,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:50,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:50,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:50,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:50,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:46:50,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:50,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:50,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:50,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:50,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:50,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:50,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:50,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:50,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:50,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:50,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:50,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:50,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:46:50,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:50,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:50,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:50,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:51,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:51,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:51,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:51,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:51,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:51,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:51,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:46:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:51,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:51,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:51,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:51,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:51,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:51,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:51,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:51,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:51,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:46:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:51,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:51,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:51,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:51,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 00:46:51,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:51,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:51,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:46:51,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346679398] [2020-09-25 00:46:51,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:46:51,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:46:51,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753793623] [2020-09-25 00:46:51,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:46:51,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:51,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:46:51,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:46:51,164 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 8 states. [2020-09-25 00:46:51,961 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:53,229 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:53,573 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:46:53,934 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:54,267 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:54,591 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:55,548 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:55,863 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:56,232 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:57,585 INFO L93 Difference]: Finished difference Result 659 states and 808 transitions. [2020-09-25 00:46:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:46:57,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:46:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:57,610 INFO L225 Difference]: With dead ends: 659 [2020-09-25 00:46:57,611 INFO L226 Difference]: Without dead ends: 432 [2020-09-25 00:46:57,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:46:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-09-25 00:46:57,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 389. [2020-09-25 00:46:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 00:46:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2020-09-25 00:46:57,826 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 142 [2020-09-25 00:46:57,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:57,828 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2020-09-25 00:46:57,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:46:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2020-09-25 00:46:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:46:57,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:57,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:46:57,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:46:57,852 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:57,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:57,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1381167722, now seen corresponding path program 1 times [2020-09-25 00:46:57,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:57,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223597830] [2020-09-25 00:46:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:02,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:02,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 00:47:02,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:47:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 00:47:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 00:47:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,254 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:03,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 00:47:03,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:03,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:03,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:03,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:03,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:47:03,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:03,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:03,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:47:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:03,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:03,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:47:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 00:47:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:47:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:03,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 00:47:03,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:03,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:47:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:47:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:03,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:47:03,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:47:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:03,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:47:03,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:47:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:47:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:03,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:47:03,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:47:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:03,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:03,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:03,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:03,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:03,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 00:47:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:03,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:03,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:47:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:03,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:47:03,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223597830] [2020-09-25 00:47:03,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:47:03,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:47:03,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812012060] [2020-09-25 00:47:04,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:47:04,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:04,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:47:04,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:47:04,007 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 9 states. [2020-09-25 00:47:05,272 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:05,574 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:05,904 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:06,271 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:06,574 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:08,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:08,080 INFO L93 Difference]: Finished difference Result 828 states and 1063 transitions. [2020-09-25 00:47:08,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:47:08,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-25 00:47:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:08,090 INFO L225 Difference]: With dead ends: 828 [2020-09-25 00:47:08,090 INFO L226 Difference]: Without dead ends: 549 [2020-09-25 00:47:08,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:47:08,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-25 00:47:08,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 395. [2020-09-25 00:47:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-25 00:47:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 448 transitions. [2020-09-25 00:47:08,169 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 448 transitions. Word has length 216 [2020-09-25 00:47:08,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:08,170 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 448 transitions. [2020-09-25 00:47:08,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:47:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 448 transitions. [2020-09-25 00:47:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:47:08,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:08,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:47:08,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:47:08,174 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:08,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:08,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1229691382, now seen corresponding path program 1 times [2020-09-25 00:47:08,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:08,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183215669] [2020-09-25 00:47:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 00:47:13,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:47:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 00:47:13,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-25 00:47:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:13,593 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:13,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 00:47:13,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:13,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:13,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:13,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:13,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:13,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:13,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:13,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:13,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:13,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:13,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:47:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:13,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:13,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:47:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:13,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 00:47:13,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:47:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 00:47:14,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:47:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:14,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:14,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 00:47:14,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:47:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:14,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:47:14,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:14,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:47:14,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:47:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:14,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:14,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:14,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:14,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:14,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:14,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 00:47:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:14,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:14,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:47:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:14,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:14,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:14,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:47:14,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183215669] [2020-09-25 00:47:14,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:47:14,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:47:14,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806845800] [2020-09-25 00:47:14,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:47:14,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:14,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:47:14,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:47:14,352 INFO L87 Difference]: Start difference. First operand 395 states and 448 transitions. Second operand 10 states. [2020-09-25 00:47:16,039 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:47:16,350 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:47:16,682 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:47:16,992 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:17,305 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:17,591 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:19,086 INFO L93 Difference]: Finished difference Result 839 states and 1074 transitions. [2020-09-25 00:47:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:47:19,086 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-09-25 00:47:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:19,097 INFO L225 Difference]: With dead ends: 839 [2020-09-25 00:47:19,098 INFO L226 Difference]: Without dead ends: 554 [2020-09-25 00:47:19,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:47:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-09-25 00:47:19,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 403. [2020-09-25 00:47:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-25 00:47:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 456 transitions. [2020-09-25 00:47:19,201 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 456 transitions. Word has length 216 [2020-09-25 00:47:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:19,203 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 456 transitions. [2020-09-25 00:47:19,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:47:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 456 transitions. [2020-09-25 00:47:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-25 00:47:19,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:19,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:19,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:47:19,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1189557957, now seen corresponding path program 1 times [2020-09-25 00:47:19,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:19,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071075443] [2020-09-25 00:47:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:19,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:19,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 00:47:24,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:47:24,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 00:47:24,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-09-25 00:47:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:47:24,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,578 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:47:24,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:24,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:47:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:24,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:24,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:24,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:24,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:24,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:24,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:47:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:47:24,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:47:24,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:47:24,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:47:24,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:47:24,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 00:47:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:24,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:24,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:47:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:24,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 00:47:24,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 00:47:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:24,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:47:24,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:24,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 00:47:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:24,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:24,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:24,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:47:24,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:24,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:24,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:24,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:24,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:24,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:24,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:24,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 00:47:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 00:47:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:24,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:24,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:24,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:24,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:24,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:24,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:24,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:24,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:24,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:24,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:47:25,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071075443] [2020-09-25 00:47:25,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:47:25,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 00:47:25,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779349066] [2020-09-25 00:47:25,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:47:25,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:25,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:47:25,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:47:25,017 INFO L87 Difference]: Start difference. First operand 403 states and 456 transitions. Second operand 6 states. [2020-09-25 00:47:25,729 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:47:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:28,157 INFO L93 Difference]: Finished difference Result 1049 states and 1340 transitions. [2020-09-25 00:47:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:47:28,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2020-09-25 00:47:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:28,164 INFO L225 Difference]: With dead ends: 1049 [2020-09-25 00:47:28,164 INFO L226 Difference]: Without dead ends: 733 [2020-09-25 00:47:28,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:47:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-09-25 00:47:28,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 536. [2020-09-25 00:47:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 00:47:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 615 transitions. [2020-09-25 00:47:28,239 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 615 transitions. Word has length 227 [2020-09-25 00:47:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:28,240 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 615 transitions. [2020-09-25 00:47:28,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:47:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 615 transitions. [2020-09-25 00:47:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:47:28,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:28,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:47:28,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:47:28,244 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:28,245 INFO L82 PathProgramCache]: Analyzing trace with hash 859044601, now seen corresponding path program 1 times [2020-09-25 00:47:28,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:28,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819704308] [2020-09-25 00:47:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:32,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking...